21095454900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{284689}}^1$

素因数の和:284738

約数の個数: 144

約数和(自身を含む): 69191057600

約数和(自身を除く): 48095602700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 130, 150, 156, 190, 195, 228, 247, 260, 285, 300, 325, 380, 390, 475, 494, 570, 650, 741, 780, 950, 975, 988, 1140, 1235, 1300, 1425, 1482, 1900, 1950, 2470, 2850, 2964, 3705, 3900, 4940, 5700, 6175, 7410, 12350, 14820, 18525, 24700, 37050, 74100, 284689, 569378, 854067, 1138756, 1423445, 1708134, 2846890, 3416268, 3700957, 4270335, 5409091, 5693780, 7117225, 7401914, 8540670, 10818182, 11102871, 14234450, 14803828, 16227273, 17081340, 18504785, 21351675, 21636364, 22205742, 27045455, 28468900, 32454546, 37009570, 42703350, 44411484, 54090910, 55514355, 64909092, 70318183, 74019140, 81136365, 85406700, 92523925, 108181820, 111028710, 135227275, 140636366, 162272730, 185047850, 210954549, 222057420, 270454550, 277571775, 281272732, 324545460, 351590915, 370095700, 405681825, 421909098, 540909100, 555143550, 703181830, 811363650, 843818196, 1054772745, 1110287100, 1406363660, 1622727300, 1757954575, 2109545490, 3515909150, 4219090980, 5273863725, 7031818300, 10547727450, 21095454900]

約数ペア:

[(1, 21095454900), (2, 10547727450), (3, 7031818300), (4, 5273863725), (5, 4219090980), (6, 3515909150), (10, 2109545490), (12, 1757954575), (13, 1622727300), (15, 1406363660), (19, 1110287100), (20, 1054772745), (25, 843818196), (26, 811363650), (30, 703181830), (38, 555143550), (39, 540909100), (50, 421909098), (52, 405681825), (57, 370095700), (60, 351590915), (65, 324545460), (75, 281272732), (76, 277571775), (78, 270454550), (95, 222057420), (100, 210954549), (114, 185047850), (130, 162272730), (150, 140636366), (156, 135227275), (190, 111028710), (195, 108181820), (228, 92523925), (247, 85406700), (260, 81136365), (285, 74019140), (300, 70318183), (325, 64909092), (380, 55514355), (390, 54090910), (475, 44411484), (494, 42703350), (570, 37009570), (650, 32454546), (741, 28468900), (780, 27045455), (950, 22205742), (975, 21636364), (988, 21351675), (1140, 18504785), (1235, 17081340), (1300, 16227273), (1425, 14803828), (1482, 14234450), (1900, 11102871), (1950, 10818182), (2470, 8540670), (2850, 7401914), (2964, 7117225), (3705, 5693780), (3900, 5409091), (4940, 4270335), (5700, 3700957), (6175, 3416268), (7410, 2846890), (12350, 1708134), (14820, 1423445), (18525, 1138756), (24700, 854067), (37050, 569378), (74100, 284689)]