21306450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:412

約数の個数: 96

約数和(自身を含む): 59371200

約数和(自身を除く): 38064750

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 37, 50, 55, 66, 74, 75, 110, 111, 150, 165, 185, 222, 275, 330, 349, 370, 407, 550, 555, 698, 814, 825, 925, 1047, 1110, 1221, 1650, 1745, 1850, 2035, 2094, 2442, 2775, 3490, 3839, 4070, 5235, 5550, 6105, 7678, 8725, 10175, 10470, 11517, 12210, 12913, 17450, 19195, 20350, 23034, 25826, 26175, 30525, 38390, 38739, 52350, 57585, 61050, 64565, 77478, 95975, 115170, 129130, 142043, 191950, 193695, 284086, 287925, 322825, 387390, 426129, 575850, 645650, 710215, 852258, 968475, 1420430, 1936950, 2130645, 3551075, 4261290, 7102150, 10653225, 21306450]

約数ペア:

[(1, 21306450), (2, 10653225), (3, 7102150), (5, 4261290), (6, 3551075), (10, 2130645), (11, 1936950), (15, 1420430), (22, 968475), (25, 852258), (30, 710215), (33, 645650), (37, 575850), (50, 426129), (55, 387390), (66, 322825), (74, 287925), (75, 284086), (110, 193695), (111, 191950), (150, 142043), (165, 129130), (185, 115170), (222, 95975), (275, 77478), (330, 64565), (349, 61050), (370, 57585), (407, 52350), (550, 38739), (555, 38390), (698, 30525), (814, 26175), (825, 25826), (925, 23034), (1047, 20350), (1110, 19195), (1221, 17450), (1650, 12913), (1745, 12210), (1850, 11517), (2035, 10470), (2094, 10175), (2442, 8725), (2775, 7678), (3490, 6105), (3839, 5550), (4070, 5235)]