21100300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16231}}^1$

素因数の和:16258

約数の個数: 36

約数和(自身を含む): 49312816

約数和(自身を除く): 28212516

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16231, 32462, 64924, 81155, 162310, 211003, 324620, 405775, 422006, 811550, 844012, 1055015, 1623100, 2110030, 4220060, 5275075, 10550150, 21100300]

約数ペア:

[(1, 21100300), (2, 10550150), (4, 5275075), (5, 4220060), (10, 2110030), (13, 1623100), (20, 1055015), (25, 844012), (26, 811550), (50, 422006), (52, 405775), (65, 324620), (100, 211003), (130, 162310), (260, 81155), (325, 64924), (650, 32462), (1300, 16231)]