21160104

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 45195096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 31, 34, 42, 51, 56, 62, 68, 84, 93, 102, 119, 124, 136, 168, 186, 204, 217, 238, 239, 248, 357, 372, 408, 434, 476, 478, 527, 651, 714, 717, 744, 868, 952, 956, 1054, 1302, 1428, 1434, 1581, 1673, 1736, 1912, 2108, 2604, 2856, 2868, 3162, 3346, 3689, 4063, 4216, 5019, 5208, 5736, 6324, 6692, 7378, 7409, 8126, 10038, 11067, 12189, 12648, 13384, 14756, 14818, 16252, 20076, 22134, 22227, 24378, 28441, 29512, 29636, 32504, 40152, 44268, 44454, 48756, 51863, 56882, 59272, 85323, 88536, 88908, 97512, 103726, 113764, 125953, 155589, 170646, 177816, 207452, 227528, 251906, 311178, 341292, 377859, 414904, 503812, 622356, 682584, 755718, 881671, 1007624, 1244712, 1511436, 1763342, 2645013, 3022872, 3526684, 5290026, 7053368, 10580052, 21160104]

約数ペア:

[(1, 21160104), (2, 10580052), (3, 7053368), (4, 5290026), (6, 3526684), (7, 3022872), (8, 2645013), (12, 1763342), (14, 1511436), (17, 1244712), (21, 1007624), (24, 881671), (28, 755718), (31, 682584), (34, 622356), (42, 503812), (51, 414904), (56, 377859), (62, 341292), (68, 311178), (84, 251906), (93, 227528), (102, 207452), (119, 177816), (124, 170646), (136, 155589), (168, 125953), (186, 113764), (204, 103726), (217, 97512), (238, 88908), (239, 88536), (248, 85323), (357, 59272), (372, 56882), (408, 51863), (434, 48756), (476, 44454), (478, 44268), (527, 40152), (651, 32504), (714, 29636), (717, 29512), (744, 28441), (868, 24378), (952, 22227), (956, 22134), (1054, 20076), (1302, 16252), (1428, 14818), (1434, 14756), (1581, 13384), (1673, 12648), (1736, 12189), (1912, 11067), (2108, 10038), (2604, 8126), (2856, 7409), (2868, 7378), (3162, 6692), (3346, 6324), (3689, 5736), (4063, 5208), (4216, 5019)]