21787137020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{8039}}^1$

素因数の和:8283

約数の個数: 96

約数和(自身を含む): 50830295040

約数和(自身を除く): 29043158020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 127, 194, 220, 254, 388, 485, 508, 635, 970, 1067, 1270, 1397, 1940, 2134, 2540, 2794, 4268, 5335, 5588, 6985, 8039, 10670, 12319, 13970, 16078, 21340, 24638, 27940, 32156, 40195, 49276, 61595, 80390, 88429, 123190, 135509, 160780, 176858, 246380, 271018, 353716, 442145, 542036, 677545, 779783, 884290, 1020953, 1355090, 1559566, 1768580, 2041906, 2710180, 3119132, 3898915, 4083812, 5104765, 7797830, 8577613, 10209530, 11230483, 15595660, 17155226, 20419060, 22460966, 34310452, 42888065, 44921932, 56152415, 85776130, 99032441, 112304830, 171552260, 198064882, 224609660, 396129764, 495162205, 990324410, 1089356851, 1980648820, 2178713702, 4357427404, 5446784255, 10893568510, 21787137020]

約数ペア:

[(1, 21787137020), (2, 10893568510), (4, 5446784255), (5, 4357427404), (10, 2178713702), (11, 1980648820), (20, 1089356851), (22, 990324410), (44, 495162205), (55, 396129764), (97, 224609660), (110, 198064882), (127, 171552260), (194, 112304830), (220, 99032441), (254, 85776130), (388, 56152415), (485, 44921932), (508, 42888065), (635, 34310452), (970, 22460966), (1067, 20419060), (1270, 17155226), (1397, 15595660), (1940, 11230483), (2134, 10209530), (2540, 8577613), (2794, 7797830), (4268, 5104765), (5335, 4083812), (5588, 3898915), (6985, 3119132), (8039, 2710180), (10670, 2041906), (12319, 1768580), (13970, 1559566), (16078, 1355090), (21340, 1020953), (24638, 884290), (27940, 779783), (32156, 677545), (40195, 542036), (49276, 442145), (61595, 353716), (80390, 271018), (88429, 246380), (123190, 176858), (135509, 160780)]