21107388720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{40177}}^1$

素因数の和:40403

約数の個数: 160

約数和(自身を含む): 71741836800

約数和(自身を除く): 50634448080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 199, 220, 240, 264, 330, 398, 440, 528, 597, 660, 796, 880, 995, 1194, 1320, 1592, 1990, 2189, 2388, 2640, 2985, 3184, 3980, 4378, 4776, 5970, 6567, 7960, 8756, 9552, 10945, 11940, 13134, 15920, 17512, 21890, 23880, 26268, 32835, 35024, 40177, 43780, 47760, 52536, 65670, 80354, 87560, 105072, 120531, 131340, 160708, 175120, 200885, 241062, 262680, 321416, 401770, 441947, 482124, 525360, 602655, 642832, 803540, 883894, 964248, 1205310, 1325841, 1607080, 1767788, 1928496, 2209735, 2410620, 2651682, 3214160, 3535576, 4419470, 4821240, 5303364, 6629205, 7071152, 7995223, 8838940, 9642480, 10606728, 13258410, 15990446, 17677880, 21213456, 23985669, 26516820, 31980892, 35355760, 39976115, 47971338, 53033640, 63961784, 79952230, 87947453, 95942676, 106067280, 119928345, 127923568, 159904460, 175894906, 191885352, 239856690, 263842359, 319808920, 351789812, 383770704, 439737265, 479713380, 527684718, 639617840, 703579624, 879474530, 959426760, 1055369436, 1319211795, 1407159248, 1758949060, 1918853520, 2110738872, 2638423590, 3517898120, 4221477744, 5276847180, 7035796240, 10553694360, 21107388720]

約数ペア:

[(1, 21107388720), (2, 10553694360), (3, 7035796240), (4, 5276847180), (5, 4221477744), (6, 3517898120), (8, 2638423590), (10, 2110738872), (11, 1918853520), (12, 1758949060), (15, 1407159248), (16, 1319211795), (20, 1055369436), (22, 959426760), (24, 879474530), (30, 703579624), (33, 639617840), (40, 527684718), (44, 479713380), (48, 439737265), (55, 383770704), (60, 351789812), (66, 319808920), (80, 263842359), (88, 239856690), (110, 191885352), (120, 175894906), (132, 159904460), (165, 127923568), (176, 119928345), (199, 106067280), (220, 95942676), (240, 87947453), (264, 79952230), (330, 63961784), (398, 53033640), (440, 47971338), (528, 39976115), (597, 35355760), (660, 31980892), (796, 26516820), (880, 23985669), (995, 21213456), (1194, 17677880), (1320, 15990446), (1592, 13258410), (1990, 10606728), (2189, 9642480), (2388, 8838940), (2640, 7995223), (2985, 7071152), (3184, 6629205), (3980, 5303364), (4378, 4821240), (4776, 4419470), (5970, 3535576), (6567, 3214160), (7960, 2651682), (8756, 2410620), (9552, 2209735), (10945, 1928496), (11940, 1767788), (13134, 1607080), (15920, 1325841), (17512, 1205310), (21890, 964248), (23880, 883894), (26268, 803540), (32835, 642832), (35024, 602655), (40177, 525360), (43780, 482124), (47760, 441947), (52536, 401770), (65670, 321416), (80354, 262680), (87560, 241062), (105072, 200885), (120531, 175120), (131340, 160708)]