21924175

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 13073585

約数列:

[1, 5, 7, 13, 23, 25, 35, 65, 91, 115, 161, 175, 299, 325, 419, 455, 575, 805, 1495, 2093, 2095, 2275, 2933, 4025, 5447, 7475, 9637, 10465, 10475, 14665, 27235, 38129, 48185, 52325, 67459, 73325, 125281, 136175, 190645, 240925, 337295, 626405, 876967, 953225, 1686475, 3132025, 4384835, 21924175]

約数ペア:

[(1, 21924175), (5, 4384835), (7, 3132025), (13, 1686475), (23, 953225), (25, 876967), (35, 626405), (65, 337295), (91, 240925), (115, 190645), (161, 136175), (175, 125281), (299, 73325), (325, 67459), (419, 52325), (455, 48185), (575, 38129), (805, 27235), (1495, 14665), (2093, 10475), (2095, 10465), (2275, 9637), (2933, 7475), (4025, 5447)]