21307385340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13152707}}^1$

素因数の和:13152728

約数の個数: 60

約数和(自身を含む): 66842062056

約数和(自身を除く): 45534676716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13152707, 26305414, 39458121, 52610828, 65763535, 78916242, 118374363, 131527070, 157832484, 197290605, 236748726, 263054140, 355123089, 394581210, 473497452, 591871815, 710246178, 789162420, 1065369267, 1183743630, 1420492356, 1775615445, 2130738534, 2367487260, 3551230890, 4261477068, 5326846335, 7102461780, 10653692670, 21307385340]

約数ペア:

[(1, 21307385340), (2, 10653692670), (3, 7102461780), (4, 5326846335), (5, 4261477068), (6, 3551230890), (9, 2367487260), (10, 2130738534), (12, 1775615445), (15, 1420492356), (18, 1183743630), (20, 1065369267), (27, 789162420), (30, 710246178), (36, 591871815), (45, 473497452), (54, 394581210), (60, 355123089), (81, 263054140), (90, 236748726), (108, 197290605), (135, 157832484), (162, 131527070), (180, 118374363), (270, 78916242), (324, 65763535), (405, 52610828), (540, 39458121), (810, 26305414), (1620, 13152707)]