21238770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5323}}^1$

素因数の和:5359

約数の個数: 64

約数和(自身を含む): 61332480

約数和(自身を除く): 40093710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 5323, 10646, 15969, 26615, 31938, 37261, 53230, 74522, 79845, 101137, 111783, 159690, 186305, 202274, 223566, 303411, 372610, 505685, 558915, 606822, 707959, 1011370, 1117830, 1415918, 1517055, 2123877, 3034110, 3539795, 4247754, 7079590, 10619385, 21238770]

約数ペア:

[(1, 21238770), (2, 10619385), (3, 7079590), (5, 4247754), (6, 3539795), (7, 3034110), (10, 2123877), (14, 1517055), (15, 1415918), (19, 1117830), (21, 1011370), (30, 707959), (35, 606822), (38, 558915), (42, 505685), (57, 372610), (70, 303411), (95, 223566), (105, 202274), (114, 186305), (133, 159690), (190, 111783), (210, 101137), (266, 79845), (285, 74522), (399, 53230), (570, 37261), (665, 31938), (798, 26615), (1330, 15969), (1995, 10646), (3990, 5323)]