21347508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 62205696

約数和(自身を除く): 40858188

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 113, 156, 173, 182, 226, 273, 339, 346, 364, 452, 519, 546, 678, 692, 791, 1038, 1092, 1211, 1356, 1469, 1582, 2076, 2249, 2373, 2422, 2938, 3164, 3633, 4407, 4498, 4746, 4844, 5876, 6747, 7266, 8814, 8996, 9492, 10283, 13494, 14532, 15743, 17628, 19549, 20566, 26988, 30849, 31486, 39098, 41132, 47229, 58647, 61698, 62972, 78196, 94458, 117294, 123396, 136843, 188916, 234588, 254137, 273686, 410529, 508274, 547372, 762411, 821058, 1016548, 1524822, 1642116, 1778959, 3049644, 3557918, 5336877, 7115836, 10673754, 21347508]

約数ペア:

[(1, 21347508), (2, 10673754), (3, 7115836), (4, 5336877), (6, 3557918), (7, 3049644), (12, 1778959), (13, 1642116), (14, 1524822), (21, 1016548), (26, 821058), (28, 762411), (39, 547372), (42, 508274), (52, 410529), (78, 273686), (84, 254137), (91, 234588), (113, 188916), (156, 136843), (173, 123396), (182, 117294), (226, 94458), (273, 78196), (339, 62972), (346, 61698), (364, 58647), (452, 47229), (519, 41132), (546, 39098), (678, 31486), (692, 30849), (791, 26988), (1038, 20566), (1092, 19549), (1211, 17628), (1356, 15743), (1469, 14532), (1582, 13494), (2076, 10283), (2249, 9492), (2373, 8996), (2422, 8814), (2938, 7266), (3164, 6747), (3633, 5876), (4407, 4844), (4498, 4746)]