21986021925

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{25243}}^1$

素因数の和:25352

約数の個数: 108

約数和(自身を含む): 46390393920

約数和(自身を除く): 24404371995

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 79, 105, 147, 175, 225, 237, 245, 315, 395, 441, 525, 553, 711, 735, 1185, 1225, 1575, 1659, 1975, 2205, 2765, 3555, 3675, 3871, 4977, 5925, 8295, 11025, 11613, 13825, 17775, 19355, 24885, 25243, 34839, 41475, 58065, 75729, 96775, 124425, 126215, 174195, 176701, 227187, 290325, 378645, 530103, 631075, 870975, 883505, 1135935, 1236907, 1590309, 1893225, 1994197, 2650515, 3710721, 4417525, 5679675, 5982591, 6184535, 7951545, 9970985, 11132163, 13252575, 13959379, 17947773, 18553605, 29912955, 30922675, 39757725, 41878137, 49854925, 55660815, 69796895, 89738865, 92768025, 97715653, 125634411, 149564775, 209390685, 278304075, 293146959, 348984475, 448694325, 488578265, 628172055, 879440877, 1046953425, 1465734795, 2442891325, 3140860275, 4397204385, 7328673975, 21986021925]

約数ペア:

[(1, 21986021925), (3, 7328673975), (5, 4397204385), (7, 3140860275), (9, 2442891325), (15, 1465734795), (21, 1046953425), (25, 879440877), (35, 628172055), (45, 488578265), (49, 448694325), (63, 348984475), (75, 293146959), (79, 278304075), (105, 209390685), (147, 149564775), (175, 125634411), (225, 97715653), (237, 92768025), (245, 89738865), (315, 69796895), (395, 55660815), (441, 49854925), (525, 41878137), (553, 39757725), (711, 30922675), (735, 29912955), (1185, 18553605), (1225, 17947773), (1575, 13959379), (1659, 13252575), (1975, 11132163), (2205, 9970985), (2765, 7951545), (3555, 6184535), (3675, 5982591), (3871, 5679675), (4977, 4417525), (5925, 3710721), (8295, 2650515), (11025, 1994197), (11613, 1893225), (13825, 1590309), (17775, 1236907), (19355, 1135935), (24885, 883505), (25243, 870975), (34839, 631075), (41475, 530103), (58065, 378645), (75729, 290325), (96775, 227187), (124425, 176701), (126215, 174195)]