21849080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 59719680

約数和(自身を除く): 37870600

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 85, 88, 92, 110, 115, 127, 136, 170, 184, 187, 220, 230, 253, 254, 340, 374, 391, 440, 460, 506, 508, 635, 680, 748, 782, 920, 935, 1012, 1016, 1265, 1270, 1397, 1496, 1564, 1870, 1955, 2024, 2159, 2530, 2540, 2794, 2921, 3128, 3740, 3910, 4301, 4318, 5060, 5080, 5588, 5842, 6985, 7480, 7820, 8602, 8636, 10120, 10795, 11176, 11684, 13970, 14605, 15640, 17204, 17272, 21505, 21590, 23368, 23749, 27940, 29210, 32131, 34408, 43010, 43180, 47498, 49657, 55880, 58420, 64262, 86020, 86360, 94996, 99314, 116840, 118745, 128524, 160655, 172040, 189992, 198628, 237490, 248285, 257048, 321310, 397256, 474980, 496570, 546227, 642620, 949960, 993140, 1092454, 1285240, 1986280, 2184908, 2731135, 4369816, 5462270, 10924540, 21849080]

約数ペア:

[(1, 21849080), (2, 10924540), (4, 5462270), (5, 4369816), (8, 2731135), (10, 2184908), (11, 1986280), (17, 1285240), (20, 1092454), (22, 993140), (23, 949960), (34, 642620), (40, 546227), (44, 496570), (46, 474980), (55, 397256), (68, 321310), (85, 257048), (88, 248285), (92, 237490), (110, 198628), (115, 189992), (127, 172040), (136, 160655), (170, 128524), (184, 118745), (187, 116840), (220, 99314), (230, 94996), (253, 86360), (254, 86020), (340, 64262), (374, 58420), (391, 55880), (440, 49657), (460, 47498), (506, 43180), (508, 43010), (635, 34408), (680, 32131), (748, 29210), (782, 27940), (920, 23749), (935, 23368), (1012, 21590), (1016, 21505), (1265, 17272), (1270, 17204), (1397, 15640), (1496, 14605), (1564, 13970), (1870, 11684), (1955, 11176), (2024, 10795), (2159, 10120), (2530, 8636), (2540, 8602), (2794, 7820), (2921, 7480), (3128, 6985), (3740, 5842), (3910, 5588), (4301, 5080), (4318, 5060)]