21551016

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{283}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 57254400

約数和(自身を除く): 35703384

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 167, 228, 283, 334, 456, 501, 566, 668, 849, 1002, 1132, 1336, 1698, 2004, 2264, 3173, 3396, 4008, 5377, 6346, 6792, 9519, 10754, 12692, 16131, 19038, 21508, 25384, 32262, 38076, 43016, 47261, 64524, 76152, 94522, 129048, 141783, 189044, 283566, 378088, 567132, 897959, 1134264, 1795918, 2693877, 3591836, 5387754, 7183672, 10775508, 21551016]

約数ペア:

[(1, 21551016), (2, 10775508), (3, 7183672), (4, 5387754), (6, 3591836), (8, 2693877), (12, 1795918), (19, 1134264), (24, 897959), (38, 567132), (57, 378088), (76, 283566), (114, 189044), (152, 141783), (167, 129048), (228, 94522), (283, 76152), (334, 64524), (456, 47261), (501, 43016), (566, 38076), (668, 32262), (849, 25384), (1002, 21508), (1132, 19038), (1336, 16131), (1698, 12692), (2004, 10754), (2264, 9519), (3173, 6792), (3396, 6346), (4008, 5377)]