21327070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 18797090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 773, 890, 1546, 2759, 3865, 5518, 7730, 13795, 23963, 27590, 47926, 68797, 119815, 137594, 239630, 343985, 687970, 2132707, 4265414, 10663535, 21327070]

約数ペア:

[(1, 21327070), (2, 10663535), (5, 4265414), (10, 2132707), (31, 687970), (62, 343985), (89, 239630), (155, 137594), (178, 119815), (310, 68797), (445, 47926), (773, 27590), (890, 23963), (1546, 13795), (2759, 7730), (3865, 5518)]