21447757905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{128549}}^1$

素因数の和:128798

約数の個数: 48

約数和(自身を含む): 40095259200

約数和(自身を除く): 18647501295

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 227, 245, 681, 735, 1135, 1589, 3405, 4767, 7945, 11123, 23835, 33369, 55615, 128549, 166845, 385647, 642745, 899843, 1928235, 2699529, 4499215, 6298901, 13497645, 18896703, 29180623, 31494505, 87541869, 94483515, 145903115, 204264361, 437709345, 612793083, 1021321805, 1429850527, 3063965415, 4289551581, 7149252635, 21447757905]

約数ペア:

[(1, 21447757905), (3, 7149252635), (5, 4289551581), (7, 3063965415), (15, 1429850527), (21, 1021321805), (35, 612793083), (49, 437709345), (105, 204264361), (147, 145903115), (227, 94483515), (245, 87541869), (681, 31494505), (735, 29180623), (1135, 18896703), (1589, 13497645), (3405, 6298901), (4767, 4499215), (7945, 2699529), (11123, 1928235), (23835, 899843), (33369, 642745), (55615, 385647), (128549, 166845)]