21290688

素因数分解:

$2^6\times 3^5\times {\mathrm{37}}^2$

素因数の和:101

約数の個数: 126

約数和(自身を含む): 65042796

約数和(自身を除く): 43752108

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 81, 96, 108, 111, 144, 148, 162, 192, 216, 222, 243, 288, 296, 324, 333, 432, 444, 486, 576, 592, 648, 666, 864, 888, 972, 999, 1184, 1296, 1332, 1369, 1728, 1776, 1944, 1998, 2368, 2592, 2664, 2738, 2997, 3552, 3888, 3996, 4107, 5184, 5328, 5476, 5994, 7104, 7776, 7992, 8214, 8991, 10656, 10952, 11988, 12321, 15552, 15984, 16428, 17982, 21312, 21904, 23976, 24642, 31968, 32856, 35964, 36963, 43808, 47952, 49284, 63936, 65712, 71928, 73926, 87616, 95904, 98568, 110889, 131424, 143856, 147852, 191808, 197136, 221778, 262848, 287712, 295704, 332667, 394272, 443556, 575424, 591408, 665334, 788544, 887112, 1182816, 1330668, 1774224, 2365632, 2661336, 3548448, 5322672, 7096896, 10645344, 21290688]

約数ペア:

[(1, 21290688), (2, 10645344), (3, 7096896), (4, 5322672), (6, 3548448), (8, 2661336), (9, 2365632), (12, 1774224), (16, 1330668), (18, 1182816), (24, 887112), (27, 788544), (32, 665334), (36, 591408), (37, 575424), (48, 443556), (54, 394272), (64, 332667), (72, 295704), (74, 287712), (81, 262848), (96, 221778), (108, 197136), (111, 191808), (144, 147852), (148, 143856), (162, 131424), (192, 110889), (216, 98568), (222, 95904), (243, 87616), (288, 73926), (296, 71928), (324, 65712), (333, 63936), (432, 49284), (444, 47952), (486, 43808), (576, 36963), (592, 35964), (648, 32856), (666, 31968), (864, 24642), (888, 23976), (972, 21904), (999, 21312), (1184, 17982), (1296, 16428), (1332, 15984), (1369, 15552), (1728, 12321), (1776, 11988), (1944, 10952), (1998, 10656), (2368, 8991), (2592, 8214), (2664, 7992), (2738, 7776), (2997, 7104), (3552, 5994), (3888, 5476), (3996, 5328), (4107, 5184)]