21891975

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 96

約数和(自身を含む): 45235200

約数和(自身を除く): 23343225

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 37, 49, 69, 75, 105, 111, 115, 147, 161, 175, 185, 245, 259, 343, 345, 483, 525, 555, 575, 735, 777, 805, 851, 925, 1029, 1127, 1225, 1295, 1715, 1725, 1813, 2415, 2553, 2775, 3381, 3675, 3885, 4025, 4255, 5145, 5439, 5635, 5957, 6475, 7889, 8575, 9065, 12075, 12691, 12765, 16905, 17871, 19425, 21275, 23667, 25725, 27195, 28175, 29785, 38073, 39445, 41699, 45325, 63455, 63825, 84525, 89355, 118335, 125097, 135975, 148925, 190365, 197225, 208495, 291893, 317275, 446775, 591675, 625485, 875679, 951825, 1042475, 1459465, 3127425, 4378395, 7297325, 21891975]

約数ペア:

[(1, 21891975), (3, 7297325), (5, 4378395), (7, 3127425), (15, 1459465), (21, 1042475), (23, 951825), (25, 875679), (35, 625485), (37, 591675), (49, 446775), (69, 317275), (75, 291893), (105, 208495), (111, 197225), (115, 190365), (147, 148925), (161, 135975), (175, 125097), (185, 118335), (245, 89355), (259, 84525), (343, 63825), (345, 63455), (483, 45325), (525, 41699), (555, 39445), (575, 38073), (735, 29785), (777, 28175), (805, 27195), (851, 25725), (925, 23667), (1029, 21275), (1127, 19425), (1225, 17871), (1295, 16905), (1715, 12765), (1725, 12691), (1813, 12075), (2415, 9065), (2553, 8575), (2775, 7889), (3381, 6475), (3675, 5957), (3885, 5635), (4025, 5439), (4255, 5145)]