21020423520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{121309}}^1$

素因数の和:121365

約数の個数: 144

約数和(自身を含む): 69883294320

約数和(自身を除く): 48862870800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 361, 380, 456, 480, 570, 608, 722, 760, 912, 1083, 1140, 1444, 1520, 1805, 1824, 2166, 2280, 2888, 3040, 3610, 4332, 4560, 5415, 5776, 7220, 8664, 9120, 10830, 11552, 14440, 17328, 21660, 28880, 34656, 43320, 57760, 86640, 121309, 173280, 242618, 363927, 485236, 606545, 727854, 970472, 1213090, 1455708, 1819635, 1940944, 2304871, 2426180, 2911416, 3639270, 3881888, 4609742, 4852360, 5822832, 6914613, 7278540, 9219484, 9704720, 11524355, 11645664, 13829226, 14557080, 18438968, 19409440, 23048710, 27658452, 29114160, 34573065, 36877936, 43792549, 46097420, 55316904, 58228320, 69146130, 73755872, 87585098, 92194840, 110633808, 131377647, 138292260, 175170196, 184389680, 218962745, 221267616, 262755294, 276584520, 350340392, 368779360, 437925490, 525510588, 553169040, 656888235, 700680784, 875850980, 1051021176, 1106338080, 1313776470, 1401361568, 1751701960, 2102042352, 2627552940, 3503403920, 4204084704, 5255105880, 7006807840, 10510211760, 21020423520]

約数ペア:

[(1, 21020423520), (2, 10510211760), (3, 7006807840), (4, 5255105880), (5, 4204084704), (6, 3503403920), (8, 2627552940), (10, 2102042352), (12, 1751701960), (15, 1401361568), (16, 1313776470), (19, 1106338080), (20, 1051021176), (24, 875850980), (30, 700680784), (32, 656888235), (38, 553169040), (40, 525510588), (48, 437925490), (57, 368779360), (60, 350340392), (76, 276584520), (80, 262755294), (95, 221267616), (96, 218962745), (114, 184389680), (120, 175170196), (152, 138292260), (160, 131377647), (190, 110633808), (228, 92194840), (240, 87585098), (285, 73755872), (304, 69146130), (361, 58228320), (380, 55316904), (456, 46097420), (480, 43792549), (570, 36877936), (608, 34573065), (722, 29114160), (760, 27658452), (912, 23048710), (1083, 19409440), (1140, 18438968), (1444, 14557080), (1520, 13829226), (1805, 11645664), (1824, 11524355), (2166, 9704720), (2280, 9219484), (2888, 7278540), (3040, 6914613), (3610, 5822832), (4332, 4852360), (4560, 4609742), (5415, 3881888), (5776, 3639270), (7220, 2911416), (8664, 2426180), (9120, 2304871), (10830, 1940944), (11552, 1819635), (14440, 1455708), (17328, 1213090), (21660, 970472), (28880, 727854), (34656, 606545), (43320, 485236), (57760, 363927), (86640, 242618), (121309, 173280)]