21105589380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1\times {\mathrm{15121}}^1$

素因数の和:15717

約数の個数: 96

約数和(自身を含む): 60585748608

約数和(自身を除く): 39480159228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 541, 645, 860, 1082, 1290, 1623, 2164, 2580, 2705, 3246, 5410, 6492, 8115, 10820, 15121, 16230, 23263, 30242, 32460, 45363, 46526, 60484, 69789, 75605, 90726, 93052, 116315, 139578, 151210, 181452, 226815, 232630, 279156, 302420, 348945, 453630, 465260, 650203, 697890, 907260, 1300406, 1395780, 1950609, 2600812, 3251015, 3901218, 6502030, 7802436, 8180461, 9753045, 13004060, 16360922, 19506090, 24541383, 32721844, 39012180, 40902305, 49082766, 81804610, 98165532, 122706915, 163609220, 245413830, 351759823, 490827660, 703519646, 1055279469, 1407039292, 1758799115, 2110558938, 3517598230, 4221117876, 5276397345, 7035196460, 10552794690, 21105589380]

約数ペア:

[(1, 21105589380), (2, 10552794690), (3, 7035196460), (4, 5276397345), (5, 4221117876), (6, 3517598230), (10, 2110558938), (12, 1758799115), (15, 1407039292), (20, 1055279469), (30, 703519646), (43, 490827660), (60, 351759823), (86, 245413830), (129, 163609220), (172, 122706915), (215, 98165532), (258, 81804610), (430, 49082766), (516, 40902305), (541, 39012180), (645, 32721844), (860, 24541383), (1082, 19506090), (1290, 16360922), (1623, 13004060), (2164, 9753045), (2580, 8180461), (2705, 7802436), (3246, 6502030), (5410, 3901218), (6492, 3251015), (8115, 2600812), (10820, 1950609), (15121, 1395780), (16230, 1300406), (23263, 907260), (30242, 697890), (32460, 650203), (45363, 465260), (46526, 453630), (60484, 348945), (69789, 302420), (75605, 279156), (90726, 232630), (93052, 226815), (116315, 181452), (139578, 151210)]