21026502

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8783}}^1$

素因数の和:8817

約数の個数: 48

約数和(自身を含む): 54812160

約数和(自身を除く): 33785658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8783, 17566, 26349, 52698, 61481, 79047, 122962, 158094, 166877, 184443, 333754, 368886, 500631, 553329, 1001262, 1106658, 1168139, 1501893, 2336278, 3003786, 3504417, 7008834, 10513251, 21026502]

約数ペア:

[(1, 21026502), (2, 10513251), (3, 7008834), (6, 3504417), (7, 3003786), (9, 2336278), (14, 1501893), (18, 1168139), (19, 1106658), (21, 1001262), (38, 553329), (42, 500631), (57, 368886), (63, 333754), (114, 184443), (126, 166877), (133, 158094), (171, 122962), (266, 79047), (342, 61481), (399, 52698), (798, 26349), (1197, 17566), (2394, 8783)]