21030492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13177}}^1$

素因数の和:13210

約数の個数: 48

約数和(自身を含む): 59037440

約数和(自身を除く): 38006948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13177, 26354, 39531, 52708, 79062, 92239, 158124, 184478, 250363, 276717, 368956, 500726, 553434, 751089, 1001452, 1106868, 1502178, 1752541, 3004356, 3505082, 5257623, 7010164, 10515246, 21030492]

約数ペア:

[(1, 21030492), (2, 10515246), (3, 7010164), (4, 5257623), (6, 3505082), (7, 3004356), (12, 1752541), (14, 1502178), (19, 1106868), (21, 1001452), (28, 751089), (38, 553434), (42, 500726), (57, 368956), (76, 276717), (84, 250363), (114, 184478), (133, 158124), (228, 92239), (266, 79062), (399, 52708), (532, 39531), (798, 26354), (1596, 13177)]