21402480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 160

約数和(自身を含む): 74066688

約数和(自身を除く): 52664208

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, 67, 80, 88, 110, 120, 121, 132, 134, 165, 176, 201, 220, 240, 242, 264, 268, 330, 335, 363, 402, 440, 484, 528, 536, 605, 660, 670, 726, 737, 804, 880, 968, 1005, 1072, 1210, 1320, 1331, 1340, 1452, 1474, 1608, 1815, 1936, 2010, 2211, 2420, 2640, 2662, 2680, 2904, 2948, 3216, 3630, 3685, 3993, 4020, 4422, 4840, 5324, 5360, 5808, 5896, 6655, 7260, 7370, 7986, 8040, 8107, 8844, 9680, 10648, 11055, 11792, 13310, 14520, 14740, 15972, 16080, 16214, 17688, 19965, 21296, 22110, 24321, 26620, 29040, 29480, 31944, 32428, 35376, 39930, 40535, 44220, 48642, 53240, 58960, 63888, 64856, 79860, 81070, 88440, 89177, 97284, 106480, 121605, 129712, 159720, 162140, 176880, 178354, 194568, 243210, 267531, 319440, 324280, 356708, 389136, 445885, 486420, 535062, 648560, 713416, 891770, 972840, 1070124, 1337655, 1426832, 1783540, 1945680, 2140248, 2675310, 3567080, 4280496, 5350620, 7134160, 10701240, 21402480]

約数ペア:

[(1, 21402480), (2, 10701240), (3, 7134160), (4, 5350620), (5, 4280496), (6, 3567080), (8, 2675310), (10, 2140248), (11, 1945680), (12, 1783540), (15, 1426832), (16, 1337655), (20, 1070124), (22, 972840), (24, 891770), (30, 713416), (33, 648560), (40, 535062), (44, 486420), (48, 445885), (55, 389136), (60, 356708), (66, 324280), (67, 319440), (80, 267531), (88, 243210), (110, 194568), (120, 178354), (121, 176880), (132, 162140), (134, 159720), (165, 129712), (176, 121605), (201, 106480), (220, 97284), (240, 89177), (242, 88440), (264, 81070), (268, 79860), (330, 64856), (335, 63888), (363, 58960), (402, 53240), (440, 48642), (484, 44220), (528, 40535), (536, 39930), (605, 35376), (660, 32428), (670, 31944), (726, 29480), (737, 29040), (804, 26620), (880, 24321), (968, 22110), (1005, 21296), (1072, 19965), (1210, 17688), (1320, 16214), (1331, 16080), (1340, 15972), (1452, 14740), (1474, 14520), (1608, 13310), (1815, 11792), (1936, 11055), (2010, 10648), (2211, 9680), (2420, 8844), (2640, 8107), (2662, 8040), (2680, 7986), (2904, 7370), (2948, 7260), (3216, 6655), (3630, 5896), (3685, 5808), (3993, 5360), (4020, 5324), (4422, 4840)]