21499842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{233}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 53464320

約数和(自身を除く): 31964478

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 169, 182, 233, 273, 338, 466, 507, 546, 699, 1014, 1183, 1398, 1631, 2197, 2366, 3029, 3262, 3549, 4394, 4893, 6058, 6591, 7098, 9087, 9786, 13182, 15379, 18174, 21203, 30758, 39377, 42406, 46137, 63609, 78754, 92274, 118131, 127218, 236262, 275639, 511901, 551278, 826917, 1023802, 1535703, 1653834, 3071406, 3583307, 7166614, 10749921, 21499842]

約数ペア:

[(1, 21499842), (2, 10749921), (3, 7166614), (6, 3583307), (7, 3071406), (13, 1653834), (14, 1535703), (21, 1023802), (26, 826917), (39, 551278), (42, 511901), (78, 275639), (91, 236262), (169, 127218), (182, 118131), (233, 92274), (273, 78754), (338, 63609), (466, 46137), (507, 42406), (546, 39377), (699, 30758), (1014, 21203), (1183, 18174), (1398, 15379), (1631, 13182), (2197, 9786), (2366, 9087), (3029, 7098), (3262, 6591), (3549, 6058), (4394, 4893)]