21127173690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{756433}}^1$

素因数の和:756476

約数の個数: 96

約数和(自身を含む): 62088102720

約数和(自身を除く): 40960929030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 98, 105, 114, 133, 147, 190, 210, 245, 266, 285, 294, 399, 490, 570, 665, 735, 798, 931, 1330, 1470, 1862, 1995, 2793, 3990, 4655, 5586, 9310, 13965, 27930, 756433, 1512866, 2269299, 3782165, 4538598, 5295031, 7564330, 10590062, 11346495, 14372227, 15885093, 22692990, 26475155, 28744454, 31770186, 37065217, 43116681, 52950310, 71861135, 74130434, 79425465, 86233362, 100605589, 111195651, 143722270, 158850930, 185326085, 201211178, 215583405, 222391302, 301816767, 370652170, 431166810, 503027945, 555978255, 603633534, 704239123, 1006055890, 1111956510, 1408478246, 1509083835, 2112717369, 3018167670, 3521195615, 4225434738, 7042391230, 10563586845, 21127173690]

約数ペア:

[(1, 21127173690), (2, 10563586845), (3, 7042391230), (5, 4225434738), (6, 3521195615), (7, 3018167670), (10, 2112717369), (14, 1509083835), (15, 1408478246), (19, 1111956510), (21, 1006055890), (30, 704239123), (35, 603633534), (38, 555978255), (42, 503027945), (49, 431166810), (57, 370652170), (70, 301816767), (95, 222391302), (98, 215583405), (105, 201211178), (114, 185326085), (133, 158850930), (147, 143722270), (190, 111195651), (210, 100605589), (245, 86233362), (266, 79425465), (285, 74130434), (294, 71861135), (399, 52950310), (490, 43116681), (570, 37065217), (665, 31770186), (735, 28744454), (798, 26475155), (931, 22692990), (1330, 15885093), (1470, 14372227), (1862, 11346495), (1995, 10590062), (2793, 7564330), (3990, 5295031), (4655, 4538598), (5586, 3782165), (9310, 2269299), (13965, 1512866), (27930, 756433)]