21623406

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 80

約数和(自身を含む): 53779200

約数和(自身を除く): 32155794

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 49, 57, 79, 98, 114, 133, 147, 158, 237, 266, 294, 343, 399, 474, 553, 686, 798, 931, 1029, 1106, 1501, 1659, 1862, 2058, 2401, 2793, 3002, 3318, 3871, 4503, 4802, 5586, 6517, 7203, 7742, 9006, 10507, 11613, 13034, 14406, 19551, 21014, 23226, 27097, 31521, 39102, 45619, 54194, 63042, 73549, 81291, 91238, 136857, 147098, 162582, 189679, 220647, 273714, 379358, 441294, 514843, 569037, 1029686, 1138074, 1544529, 3089058, 3603901, 7207802, 10811703, 21623406]

約数ペア:

[(1, 21623406), (2, 10811703), (3, 7207802), (6, 3603901), (7, 3089058), (14, 1544529), (19, 1138074), (21, 1029686), (38, 569037), (42, 514843), (49, 441294), (57, 379358), (79, 273714), (98, 220647), (114, 189679), (133, 162582), (147, 147098), (158, 136857), (237, 91238), (266, 81291), (294, 73549), (343, 63042), (399, 54194), (474, 45619), (553, 39102), (686, 31521), (798, 27097), (931, 23226), (1029, 21014), (1106, 19551), (1501, 14406), (1659, 13034), (1862, 11613), (2058, 10507), (2401, 9006), (2793, 7742), (3002, 7203), (3318, 6517), (3871, 5586), (4503, 4802)]