21318024

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 67415040

約数和(自身を除く): 46097016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 43, 52, 56, 78, 84, 86, 91, 104, 129, 156, 168, 172, 182, 227, 258, 273, 301, 312, 344, 364, 454, 516, 546, 559, 602, 681, 728, 903, 908, 1032, 1092, 1118, 1204, 1362, 1589, 1677, 1806, 1816, 2184, 2236, 2408, 2724, 2951, 3178, 3354, 3612, 3913, 4472, 4767, 5448, 5902, 6356, 6708, 7224, 7826, 8853, 9534, 9761, 11739, 11804, 12712, 13416, 15652, 17706, 19068, 19522, 20657, 23478, 23608, 29283, 31304, 35412, 38136, 39044, 41314, 46956, 58566, 61971, 68327, 70824, 78088, 82628, 93912, 117132, 123942, 126893, 136654, 165256, 204981, 234264, 247884, 253786, 273308, 380679, 409962, 495768, 507572, 546616, 761358, 819924, 888251, 1015144, 1522716, 1639848, 1776502, 2664753, 3045432, 3553004, 5329506, 7106008, 10659012, 21318024]

約数ペア:

[(1, 21318024), (2, 10659012), (3, 7106008), (4, 5329506), (6, 3553004), (7, 3045432), (8, 2664753), (12, 1776502), (13, 1639848), (14, 1522716), (21, 1015144), (24, 888251), (26, 819924), (28, 761358), (39, 546616), (42, 507572), (43, 495768), (52, 409962), (56, 380679), (78, 273308), (84, 253786), (86, 247884), (91, 234264), (104, 204981), (129, 165256), (156, 136654), (168, 126893), (172, 123942), (182, 117132), (227, 93912), (258, 82628), (273, 78088), (301, 70824), (312, 68327), (344, 61971), (364, 58566), (454, 46956), (516, 41314), (546, 39044), (559, 38136), (602, 35412), (681, 31304), (728, 29283), (903, 23608), (908, 23478), (1032, 20657), (1092, 19522), (1118, 19068), (1204, 17706), (1362, 15652), (1589, 13416), (1677, 12712), (1806, 11804), (1816, 11739), (2184, 9761), (2236, 9534), (2408, 8853), (2724, 7826), (2951, 7224), (3178, 6708), (3354, 6356), (3612, 5902), (3913, 5448), (4472, 4767)]