21943460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14249}}^1$

素因数の和:14276

約数の個数: 48

約数和(自身を含む): 57456000

約数和(自身を除く): 35512540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 14249, 28498, 56996, 71245, 99743, 142490, 156739, 199486, 284980, 313478, 398972, 498715, 626956, 783695, 997430, 1097173, 1567390, 1994860, 2194346, 3134780, 4388692, 5485865, 10971730, 21943460]

約数ペア:

[(1, 21943460), (2, 10971730), (4, 5485865), (5, 4388692), (7, 3134780), (10, 2194346), (11, 1994860), (14, 1567390), (20, 1097173), (22, 997430), (28, 783695), (35, 626956), (44, 498715), (55, 398972), (70, 313478), (77, 284980), (110, 199486), (140, 156739), (154, 142490), (220, 99743), (308, 71245), (385, 56996), (770, 28498), (1540, 14249)]