21963864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 64774080

約数和(自身を除く): 42810216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 41, 51, 52, 68, 78, 82, 101, 102, 104, 123, 136, 156, 164, 202, 204, 221, 246, 303, 312, 328, 404, 408, 442, 492, 533, 606, 663, 697, 808, 884, 984, 1066, 1212, 1313, 1326, 1394, 1599, 1717, 1768, 2091, 2132, 2424, 2626, 2652, 2788, 3198, 3434, 3939, 4141, 4182, 4264, 5151, 5252, 5304, 5576, 6396, 6868, 7878, 8282, 8364, 9061, 10302, 10504, 12423, 12792, 13736, 15756, 16564, 16728, 18122, 20604, 22321, 24846, 27183, 31512, 33128, 36244, 41208, 44642, 49692, 53833, 54366, 66963, 70397, 72488, 89284, 99384, 107666, 108732, 133926, 140794, 161499, 178568, 211191, 215332, 217464, 267852, 281588, 322998, 422382, 430664, 535704, 563176, 645996, 844764, 915161, 1291992, 1689528, 1830322, 2745483, 3660644, 5490966, 7321288, 10981932, 21963864]

約数ペア:

[(1, 21963864), (2, 10981932), (3, 7321288), (4, 5490966), (6, 3660644), (8, 2745483), (12, 1830322), (13, 1689528), (17, 1291992), (24, 915161), (26, 844764), (34, 645996), (39, 563176), (41, 535704), (51, 430664), (52, 422382), (68, 322998), (78, 281588), (82, 267852), (101, 217464), (102, 215332), (104, 211191), (123, 178568), (136, 161499), (156, 140794), (164, 133926), (202, 108732), (204, 107666), (221, 99384), (246, 89284), (303, 72488), (312, 70397), (328, 66963), (404, 54366), (408, 53833), (442, 49692), (492, 44642), (533, 41208), (606, 36244), (663, 33128), (697, 31512), (808, 27183), (884, 24846), (984, 22321), (1066, 20604), (1212, 18122), (1313, 16728), (1326, 16564), (1394, 15756), (1599, 13736), (1717, 12792), (1768, 12423), (2091, 10504), (2132, 10302), (2424, 9061), (2626, 8364), (2652, 8282), (2788, 7878), (3198, 6868), (3434, 6396), (3939, 5576), (4141, 5304), (4182, 5252), (4264, 5151)]