21761300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 52413312

約数和(自身を除く): 30652012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 146, 220, 271, 275, 292, 365, 542, 550, 730, 803, 1084, 1100, 1355, 1460, 1606, 1825, 2710, 2981, 3212, 3650, 4015, 5420, 5962, 6775, 7300, 8030, 11924, 13550, 14905, 16060, 19783, 20075, 27100, 29810, 39566, 40150, 59620, 74525, 79132, 80300, 98915, 149050, 197830, 217613, 298100, 395660, 435226, 494575, 870452, 989150, 1088065, 1978300, 2176130, 4352260, 5440325, 10880650, 21761300]

約数ペア:

[(1, 21761300), (2, 10880650), (4, 5440325), (5, 4352260), (10, 2176130), (11, 1978300), (20, 1088065), (22, 989150), (25, 870452), (44, 494575), (50, 435226), (55, 395660), (73, 298100), (100, 217613), (110, 197830), (146, 149050), (220, 98915), (271, 80300), (275, 79132), (292, 74525), (365, 59620), (542, 40150), (550, 39566), (730, 29810), (803, 27100), (1084, 20075), (1100, 19783), (1355, 16060), (1460, 14905), (1606, 13550), (1825, 11924), (2710, 8030), (2981, 7300), (3212, 6775), (3650, 5962), (4015, 5420)]