21974610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 38678190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 269, 389, 538, 778, 807, 1167, 1345, 1614, 1883, 1945, 2334, 2690, 2723, 3766, 3890, 4035, 5446, 5649, 5835, 8070, 8169, 9415, 11298, 11670, 13615, 16338, 18830, 27230, 28245, 40845, 56490, 81690, 104641, 209282, 313923, 523205, 627846, 732487, 1046410, 1464974, 1569615, 2197461, 3139230, 3662435, 4394922, 7324870, 10987305, 21974610]

約数ペア:

[(1, 21974610), (2, 10987305), (3, 7324870), (5, 4394922), (6, 3662435), (7, 3139230), (10, 2197461), (14, 1569615), (15, 1464974), (21, 1046410), (30, 732487), (35, 627846), (42, 523205), (70, 313923), (105, 209282), (210, 104641), (269, 81690), (389, 56490), (538, 40845), (778, 28245), (807, 27230), (1167, 18830), (1345, 16338), (1614, 13615), (1883, 11670), (1945, 11298), (2334, 9415), (2690, 8169), (2723, 8070), (3766, 5835), (3890, 5649), (4035, 5446)]