21994035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 21136845

約数列:

[1, 3, 5, 7, 15, 21, 29, 31, 35, 87, 93, 105, 145, 155, 203, 217, 233, 435, 465, 609, 651, 699, 899, 1015, 1085, 1165, 1631, 2697, 3045, 3255, 3495, 4495, 4893, 6293, 6757, 7223, 8155, 13485, 18879, 20271, 21669, 24465, 31465, 33785, 36115, 47299, 50561, 94395, 101355, 108345, 141897, 151683, 209467, 236495, 252805, 628401, 709485, 758415, 1047335, 1466269, 3142005, 4398807, 7331345, 21994035]

約数ペア:

[(1, 21994035), (3, 7331345), (5, 4398807), (7, 3142005), (15, 1466269), (21, 1047335), (29, 758415), (31, 709485), (35, 628401), (87, 252805), (93, 236495), (105, 209467), (145, 151683), (155, 141897), (203, 108345), (217, 101355), (233, 94395), (435, 50561), (465, 47299), (609, 36115), (651, 33785), (699, 31465), (899, 24465), (1015, 21669), (1085, 20271), (1165, 18879), (1631, 13485), (2697, 8155), (3045, 7223), (3255, 6757), (3495, 6293), (4495, 4893)]