21336210

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 160

約数和(自身を含む): 67744512

約数和(自身を除く): 46408302

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 53, 54, 63, 70, 71, 81, 90, 105, 106, 126, 135, 142, 159, 162, 189, 210, 213, 265, 270, 315, 318, 355, 371, 378, 405, 426, 477, 497, 530, 567, 630, 639, 710, 742, 795, 810, 945, 954, 994, 1065, 1113, 1134, 1278, 1431, 1491, 1590, 1855, 1890, 1917, 2130, 2226, 2385, 2485, 2835, 2862, 2982, 3195, 3339, 3710, 3763, 3834, 4293, 4473, 4770, 4970, 5565, 5670, 5751, 6390, 6678, 7155, 7455, 7526, 8586, 8946, 9585, 10017, 11130, 11289, 11502, 13419, 14310, 14910, 16695, 18815, 19170, 20034, 21465, 22365, 22578, 26341, 26838, 28755, 30051, 33390, 33867, 37630, 40257, 42930, 44730, 50085, 52682, 56445, 57510, 60102, 67095, 67734, 79023, 80514, 100170, 101601, 112890, 131705, 134190, 150255, 158046, 169335, 201285, 203202, 237069, 263410, 300510, 304803, 338670, 395115, 402570, 474138, 508005, 609606, 711207, 790230, 1016010, 1185345, 1422414, 1524015, 2133621, 2370690, 3048030, 3556035, 4267242, 7112070, 10668105, 21336210]

約数ペア:

[(1, 21336210), (2, 10668105), (3, 7112070), (5, 4267242), (6, 3556035), (7, 3048030), (9, 2370690), (10, 2133621), (14, 1524015), (15, 1422414), (18, 1185345), (21, 1016010), (27, 790230), (30, 711207), (35, 609606), (42, 508005), (45, 474138), (53, 402570), (54, 395115), (63, 338670), (70, 304803), (71, 300510), (81, 263410), (90, 237069), (105, 203202), (106, 201285), (126, 169335), (135, 158046), (142, 150255), (159, 134190), (162, 131705), (189, 112890), (210, 101601), (213, 100170), (265, 80514), (270, 79023), (315, 67734), (318, 67095), (355, 60102), (371, 57510), (378, 56445), (405, 52682), (426, 50085), (477, 44730), (497, 42930), (530, 40257), (567, 37630), (630, 33867), (639, 33390), (710, 30051), (742, 28755), (795, 26838), (810, 26341), (945, 22578), (954, 22365), (994, 21465), (1065, 20034), (1113, 19170), (1134, 18815), (1278, 16695), (1431, 14910), (1491, 14310), (1590, 13419), (1855, 11502), (1890, 11289), (1917, 11130), (2130, 10017), (2226, 9585), (2385, 8946), (2485, 8586), (2835, 7526), (2862, 7455), (2982, 7155), (3195, 6678), (3339, 6390), (3710, 5751), (3763, 5670), (3834, 5565), (4293, 4970), (4473, 4770)]