21302600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 56514240

約数和(自身を除く): 35211640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 25, 40, 44, 46, 50, 55, 88, 92, 100, 110, 115, 184, 200, 220, 230, 253, 275, 421, 440, 460, 506, 550, 575, 842, 920, 1012, 1100, 1150, 1265, 1684, 2024, 2105, 2200, 2300, 2530, 3368, 4210, 4600, 4631, 5060, 6325, 8420, 9262, 9683, 10120, 10525, 12650, 16840, 18524, 19366, 21050, 23155, 25300, 37048, 38732, 42100, 46310, 48415, 50600, 77464, 84200, 92620, 96830, 106513, 115775, 185240, 193660, 213026, 231550, 242075, 387320, 426052, 463100, 484150, 532565, 852104, 926200, 968300, 1065130, 1936600, 2130260, 2662825, 4260520, 5325650, 10651300, 21302600]

約数ペア:

[(1, 21302600), (2, 10651300), (4, 5325650), (5, 4260520), (8, 2662825), (10, 2130260), (11, 1936600), (20, 1065130), (22, 968300), (23, 926200), (25, 852104), (40, 532565), (44, 484150), (46, 463100), (50, 426052), (55, 387320), (88, 242075), (92, 231550), (100, 213026), (110, 193660), (115, 185240), (184, 115775), (200, 106513), (220, 96830), (230, 92620), (253, 84200), (275, 77464), (421, 50600), (440, 48415), (460, 46310), (506, 42100), (550, 38732), (575, 37048), (842, 25300), (920, 23155), (1012, 21050), (1100, 19366), (1150, 18524), (1265, 16840), (1684, 12650), (2024, 10525), (2105, 10120), (2200, 9683), (2300, 9262), (2530, 8420), (3368, 6325), (4210, 5060), (4600, 4631)]