21972150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:486

約数の個数: 72

約数和(自身を含む): 59598864

約数和(自身を除く): 37626714

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 157, 225, 311, 314, 450, 471, 622, 785, 933, 942, 1413, 1555, 1570, 1866, 2355, 2799, 2826, 3110, 3925, 4665, 4710, 5598, 7065, 7775, 7850, 9330, 11775, 13995, 14130, 15550, 23325, 23550, 27990, 35325, 46650, 48827, 69975, 70650, 97654, 139950, 146481, 244135, 292962, 439443, 488270, 732405, 878886, 1220675, 1464810, 2197215, 2441350, 3662025, 4394430, 7324050, 10986075, 21972150]

約数ペア:

[(1, 21972150), (2, 10986075), (3, 7324050), (5, 4394430), (6, 3662025), (9, 2441350), (10, 2197215), (15, 1464810), (18, 1220675), (25, 878886), (30, 732405), (45, 488270), (50, 439443), (75, 292962), (90, 244135), (150, 146481), (157, 139950), (225, 97654), (311, 70650), (314, 69975), (450, 48827), (471, 46650), (622, 35325), (785, 27990), (933, 23550), (942, 23325), (1413, 15550), (1555, 14130), (1570, 13995), (1866, 11775), (2355, 9330), (2799, 7850), (2826, 7775), (3110, 7065), (3925, 5598), (4665, 4710)]