21818346

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 50872320

約数和(自身を除く): 29053974

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 127, 137, 209, 254, 274, 381, 411, 418, 627, 762, 822, 1254, 1397, 1507, 2413, 2603, 2794, 3014, 4191, 4521, 4826, 5206, 7239, 7809, 8382, 9042, 14478, 15618, 17399, 26543, 28633, 34798, 52197, 53086, 57266, 79629, 85899, 104394, 159258, 171798, 191389, 330581, 382778, 574167, 661162, 991743, 1148334, 1983486, 3636391, 7272782, 10909173, 21818346]

約数ペア:

[(1, 21818346), (2, 10909173), (3, 7272782), (6, 3636391), (11, 1983486), (19, 1148334), (22, 991743), (33, 661162), (38, 574167), (57, 382778), (66, 330581), (114, 191389), (127, 171798), (137, 159258), (209, 104394), (254, 85899), (274, 79629), (381, 57266), (411, 53086), (418, 52197), (627, 34798), (762, 28633), (822, 26543), (1254, 17399), (1397, 15618), (1507, 14478), (2413, 9042), (2603, 8382), (2794, 7809), (3014, 7239), (4191, 5206), (4521, 4826)]