21015210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{383}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 53084160

約数和(自身を除く): 32068950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 59, 62, 93, 118, 155, 177, 186, 295, 310, 354, 383, 465, 590, 766, 885, 930, 1149, 1770, 1829, 1915, 2298, 3658, 3830, 5487, 5745, 9145, 10974, 11490, 11873, 18290, 22597, 23746, 27435, 35619, 45194, 54870, 59365, 67791, 71238, 112985, 118730, 135582, 178095, 225970, 338955, 356190, 677910, 700507, 1401014, 2101521, 3502535, 4203042, 7005070, 10507605, 21015210]

約数ペア:

[(1, 21015210), (2, 10507605), (3, 7005070), (5, 4203042), (6, 3502535), (10, 2101521), (15, 1401014), (30, 700507), (31, 677910), (59, 356190), (62, 338955), (93, 225970), (118, 178095), (155, 135582), (177, 118730), (186, 112985), (295, 71238), (310, 67791), (354, 59365), (383, 54870), (465, 45194), (590, 35619), (766, 27435), (885, 23746), (930, 22597), (1149, 18290), (1770, 11873), (1829, 11490), (1915, 10974), (2298, 9145), (3658, 5745), (3830, 5487)]