21323862

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2039}}^1$

素因数の和:2137

約数の個数: 48

約数和(自身を含む): 53464320

約数和(自身を除く): 32140458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 498, 581, 747, 1162, 1494, 1743, 2039, 3486, 4078, 5229, 6117, 10458, 12234, 14273, 18351, 28546, 36702, 42819, 85638, 128457, 169237, 256914, 338474, 507711, 1015422, 1184659, 1523133, 2369318, 3046266, 3553977, 7107954, 10661931, 21323862]

約数ペア:

[(1, 21323862), (2, 10661931), (3, 7107954), (6, 3553977), (7, 3046266), (9, 2369318), (14, 1523133), (18, 1184659), (21, 1015422), (42, 507711), (63, 338474), (83, 256914), (126, 169237), (166, 128457), (249, 85638), (498, 42819), (581, 36702), (747, 28546), (1162, 18351), (1494, 14273), (1743, 12234), (2039, 10458), (3486, 6117), (4078, 5229)]