21594560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 112

約数和(自身を含む): 57607200

約数和(自身を除く): 36012640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 145, 160, 179, 208, 232, 260, 290, 320, 358, 377, 416, 464, 520, 580, 716, 754, 832, 895, 928, 1040, 1160, 1432, 1508, 1790, 1856, 1885, 2080, 2320, 2327, 2864, 3016, 3580, 3770, 4160, 4640, 4654, 5191, 5728, 6032, 7160, 7540, 9280, 9308, 10382, 11456, 11635, 12064, 14320, 15080, 18616, 20764, 23270, 24128, 25955, 28640, 30160, 37232, 41528, 46540, 51910, 57280, 60320, 67483, 74464, 83056, 93080, 103820, 120640, 134966, 148928, 166112, 186160, 207640, 269932, 332224, 337415, 372320, 415280, 539864, 674830, 744640, 830560, 1079728, 1349660, 1661120, 2159456, 2699320, 4318912, 5398640, 10797280, 21594560]

約数ペア:

[(1, 21594560), (2, 10797280), (4, 5398640), (5, 4318912), (8, 2699320), (10, 2159456), (13, 1661120), (16, 1349660), (20, 1079728), (26, 830560), (29, 744640), (32, 674830), (40, 539864), (52, 415280), (58, 372320), (64, 337415), (65, 332224), (80, 269932), (104, 207640), (116, 186160), (130, 166112), (145, 148928), (160, 134966), (179, 120640), (208, 103820), (232, 93080), (260, 83056), (290, 74464), (320, 67483), (358, 60320), (377, 57280), (416, 51910), (464, 46540), (520, 41528), (580, 37232), (716, 30160), (754, 28640), (832, 25955), (895, 24128), (928, 23270), (1040, 20764), (1160, 18616), (1432, 15080), (1508, 14320), (1790, 12064), (1856, 11635), (1885, 11456), (2080, 10382), (2320, 9308), (2327, 9280), (2864, 7540), (3016, 7160), (3580, 6032), (3770, 5728), (4160, 5191), (4640, 4654)]