21680331036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{156329}}^1$

素因数の和:156483

約数の個数: 96

約数和(自身を含む): 62752112640

約数和(自身を除く): 41071781604

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 127, 156, 182, 254, 273, 364, 381, 508, 546, 762, 889, 1092, 1524, 1651, 1778, 2667, 3302, 3556, 4953, 5334, 6604, 9906, 10668, 11557, 19812, 23114, 34671, 46228, 69342, 138684, 156329, 312658, 468987, 625316, 937974, 1094303, 1875948, 2032277, 2188606, 3282909, 4064554, 4377212, 6096831, 6565818, 8129108, 12193662, 13131636, 14225939, 19853783, 24387324, 28451878, 39707566, 42677817, 56903756, 59561349, 79415132, 85355634, 119122698, 138976481, 170711268, 238245396, 258099179, 277952962, 416929443, 516198358, 555905924, 774297537, 833858886, 1032396716, 1548595074, 1667717772, 1806694253, 3097190148, 3613388506, 5420082759, 7226777012, 10840165518, 21680331036]

約数ペア:

[(1, 21680331036), (2, 10840165518), (3, 7226777012), (4, 5420082759), (6, 3613388506), (7, 3097190148), (12, 1806694253), (13, 1667717772), (14, 1548595074), (21, 1032396716), (26, 833858886), (28, 774297537), (39, 555905924), (42, 516198358), (52, 416929443), (78, 277952962), (84, 258099179), (91, 238245396), (127, 170711268), (156, 138976481), (182, 119122698), (254, 85355634), (273, 79415132), (364, 59561349), (381, 56903756), (508, 42677817), (546, 39707566), (762, 28451878), (889, 24387324), (1092, 19853783), (1524, 14225939), (1651, 13131636), (1778, 12193662), (2667, 8129108), (3302, 6565818), (3556, 6096831), (4953, 4377212), (5334, 4064554), (6604, 3282909), (9906, 2188606), (10668, 2032277), (11557, 1875948), (19812, 1094303), (23114, 937974), (34671, 625316), (46228, 468987), (69342, 312658), (138684, 156329)]