21249499490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12613}}^1\times {\mathrm{8867}}^1$

素因数の和:21506

約数の個数: 32

約数和(自身を含む): 40269942720

約数和(自身を除く): 19020443230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 8867, 12613, 17734, 25226, 44335, 63065, 88670, 126130, 168473, 239647, 336946, 479294, 842365, 1198235, 1684730, 2396470, 111839471, 223678942, 559197355, 1118394710, 2124949949, 4249899898, 10624749745, 21249499490]

約数ペア:

[(1, 21249499490), (2, 10624749745), (5, 4249899898), (10, 2124949949), (19, 1118394710), (38, 559197355), (95, 223678942), (190, 111839471), (8867, 2396470), (12613, 1684730), (17734, 1198235), (25226, 842365), (44335, 479294), (63065, 336946), (88670, 239647), (126130, 168473)]