21030360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 192

約数和(自身を含む): 73522080

約数和(自身を除く): 52491720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 61, 65, 68, 78, 85, 102, 104, 120, 122, 130, 136, 156, 169, 170, 183, 195, 204, 221, 244, 255, 260, 305, 312, 338, 340, 366, 390, 408, 442, 488, 507, 510, 520, 610, 663, 676, 680, 732, 780, 793, 845, 884, 915, 1014, 1020, 1037, 1105, 1220, 1326, 1352, 1464, 1560, 1586, 1690, 1768, 1830, 2028, 2040, 2074, 2210, 2379, 2440, 2535, 2652, 2873, 3111, 3172, 3315, 3380, 3660, 3965, 4056, 4148, 4420, 4758, 5070, 5185, 5304, 5746, 6222, 6344, 6630, 6760, 7320, 7930, 8296, 8619, 8840, 9516, 10140, 10309, 10370, 11492, 11895, 12444, 13260, 13481, 14365, 15555, 15860, 17238, 19032, 20280, 20618, 20740, 22984, 23790, 24888, 26520, 26962, 28730, 30927, 31110, 31720, 34476, 40443, 41236, 41480, 43095, 47580, 51545, 53924, 57460, 61854, 62220, 67405, 68952, 80886, 82472, 86190, 95160, 103090, 107848, 114920, 123708, 124440, 134810, 154635, 161772, 172380, 175253, 202215, 206180, 247416, 269620, 309270, 323544, 344760, 350506, 404430, 412360, 525759, 539240, 618540, 701012, 808860, 876265, 1051518, 1237080, 1402024, 1617720, 1752530, 2103036, 2628795, 3505060, 4206072, 5257590, 7010120, 10515180, 21030360]

約数ペア:

[(1, 21030360), (2, 10515180), (3, 7010120), (4, 5257590), (5, 4206072), (6, 3505060), (8, 2628795), (10, 2103036), (12, 1752530), (13, 1617720), (15, 1402024), (17, 1237080), (20, 1051518), (24, 876265), (26, 808860), (30, 701012), (34, 618540), (39, 539240), (40, 525759), (51, 412360), (52, 404430), (60, 350506), (61, 344760), (65, 323544), (68, 309270), (78, 269620), (85, 247416), (102, 206180), (104, 202215), (120, 175253), (122, 172380), (130, 161772), (136, 154635), (156, 134810), (169, 124440), (170, 123708), (183, 114920), (195, 107848), (204, 103090), (221, 95160), (244, 86190), (255, 82472), (260, 80886), (305, 68952), (312, 67405), (338, 62220), (340, 61854), (366, 57460), (390, 53924), (408, 51545), (442, 47580), (488, 43095), (507, 41480), (510, 41236), (520, 40443), (610, 34476), (663, 31720), (676, 31110), (680, 30927), (732, 28730), (780, 26962), (793, 26520), (845, 24888), (884, 23790), (915, 22984), (1014, 20740), (1020, 20618), (1037, 20280), (1105, 19032), (1220, 17238), (1326, 15860), (1352, 15555), (1464, 14365), (1560, 13481), (1586, 13260), (1690, 12444), (1768, 11895), (1830, 11492), (2028, 10370), (2040, 10309), (2074, 10140), (2210, 9516), (2379, 8840), (2440, 8619), (2535, 8296), (2652, 7930), (2873, 7320), (3111, 6760), (3172, 6630), (3315, 6344), (3380, 6222), (3660, 5746), (3965, 5304), (4056, 5185), (4148, 5070), (4420, 4758)]