21245850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1523}}^1$

素因数の和:1572

約数の個数: 72

約数和(自身を含む): 58960512

約数和(自身を除く): 37714662

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1523, 1550, 2325, 2790, 3046, 4569, 4650, 6975, 7615, 9138, 13707, 13950, 15230, 22845, 27414, 38075, 45690, 47213, 68535, 76150, 94426, 114225, 137070, 141639, 228450, 236065, 283278, 342675, 424917, 472130, 685350, 708195, 849834, 1180325, 1416390, 2124585, 2360650, 3540975, 4249170, 7081950, 10622925, 21245850]

約数ペア:

[(1, 21245850), (2, 10622925), (3, 7081950), (5, 4249170), (6, 3540975), (9, 2360650), (10, 2124585), (15, 1416390), (18, 1180325), (25, 849834), (30, 708195), (31, 685350), (45, 472130), (50, 424917), (62, 342675), (75, 283278), (90, 236065), (93, 228450), (150, 141639), (155, 137070), (186, 114225), (225, 94426), (279, 76150), (310, 68535), (450, 47213), (465, 45690), (558, 38075), (775, 27414), (930, 22845), (1395, 15230), (1523, 13950), (1550, 13707), (2325, 9138), (2790, 7615), (3046, 6975), (4569, 4650)]