21309336

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 62540400

約数和(自身を除く): 41231064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 37, 38, 57, 72, 74, 76, 111, 114, 148, 152, 171, 222, 228, 296, 333, 342, 421, 444, 456, 666, 684, 703, 842, 888, 1263, 1332, 1368, 1406, 1684, 2109, 2526, 2664, 2812, 3368, 3789, 4218, 5052, 5624, 6327, 7578, 7999, 8436, 10104, 12654, 15156, 15577, 15998, 16872, 23997, 25308, 30312, 31154, 31996, 46731, 47994, 50616, 62308, 63992, 71991, 93462, 95988, 124616, 140193, 143982, 186924, 191976, 280386, 287964, 295963, 373848, 560772, 575928, 591926, 887889, 1121544, 1183852, 1775778, 2367704, 2663667, 3551556, 5327334, 7103112, 10654668, 21309336]

約数ペア:

[(1, 21309336), (2, 10654668), (3, 7103112), (4, 5327334), (6, 3551556), (8, 2663667), (9, 2367704), (12, 1775778), (18, 1183852), (19, 1121544), (24, 887889), (36, 591926), (37, 575928), (38, 560772), (57, 373848), (72, 295963), (74, 287964), (76, 280386), (111, 191976), (114, 186924), (148, 143982), (152, 140193), (171, 124616), (222, 95988), (228, 93462), (296, 71991), (333, 63992), (342, 62308), (421, 50616), (444, 47994), (456, 46731), (666, 31996), (684, 31154), (703, 30312), (842, 25308), (888, 23997), (1263, 16872), (1332, 15998), (1368, 15577), (1406, 15156), (1684, 12654), (2109, 10104), (2526, 8436), (2664, 7999), (2812, 7578), (3368, 6327), (3789, 5624), (4218, 5052)]