21521583480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{86599}}^1$

素因数の和:86741

約数の個数: 128

約数和(自身を含む): 68587200000

約数和(自身を除く): 47065616520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 109, 114, 120, 152, 190, 218, 228, 285, 327, 380, 436, 456, 545, 570, 654, 760, 872, 1090, 1140, 1308, 1635, 2071, 2180, 2280, 2616, 3270, 4142, 4360, 6213, 6540, 8284, 10355, 12426, 13080, 16568, 20710, 24852, 31065, 41420, 49704, 62130, 82840, 86599, 124260, 173198, 248520, 259797, 346396, 432995, 519594, 692792, 865990, 1039188, 1298985, 1645381, 1731980, 2078376, 2597970, 3290762, 3463960, 4936143, 5195940, 6581524, 8226905, 9439291, 9872286, 10391880, 13163048, 16453810, 18878582, 19744572, 24680715, 28317873, 32907620, 37757164, 39489144, 47196455, 49361430, 56635746, 65815240, 75514328, 94392910, 98722860, 113271492, 141589365, 179346529, 188785820, 197445720, 226542984, 283178730, 358693058, 377571640, 538039587, 566357460, 717386116, 896732645, 1076079174, 1132714920, 1434772232, 1793465290, 2152158348, 2690197935, 3586930580, 4304316696, 5380395870, 7173861160, 10760791740, 21521583480]

約数ペア:

[(1, 21521583480), (2, 10760791740), (3, 7173861160), (4, 5380395870), (5, 4304316696), (6, 3586930580), (8, 2690197935), (10, 2152158348), (12, 1793465290), (15, 1434772232), (19, 1132714920), (20, 1076079174), (24, 896732645), (30, 717386116), (38, 566357460), (40, 538039587), (57, 377571640), (60, 358693058), (76, 283178730), (95, 226542984), (109, 197445720), (114, 188785820), (120, 179346529), (152, 141589365), (190, 113271492), (218, 98722860), (228, 94392910), (285, 75514328), (327, 65815240), (380, 56635746), (436, 49361430), (456, 47196455), (545, 39489144), (570, 37757164), (654, 32907620), (760, 28317873), (872, 24680715), (1090, 19744572), (1140, 18878582), (1308, 16453810), (1635, 13163048), (2071, 10391880), (2180, 9872286), (2280, 9439291), (2616, 8226905), (3270, 6581524), (4142, 5195940), (4360, 4936143), (6213, 3463960), (6540, 3290762), (8284, 2597970), (10355, 2078376), (12426, 1731980), (13080, 1645381), (16568, 1298985), (20710, 1039188), (24852, 865990), (31065, 692792), (41420, 519594), (49704, 432995), (62130, 346396), (82840, 259797), (86599, 248520), (124260, 173198)]