21293370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:556

約数の個数: 96

約数和(自身を含む): 64276992

約数和(自身を除く): 42983622

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 73, 90, 105, 126, 146, 210, 219, 315, 365, 438, 463, 511, 630, 657, 730, 926, 1022, 1095, 1314, 1389, 1533, 2190, 2315, 2555, 2778, 3066, 3241, 3285, 4167, 4599, 4630, 5110, 6482, 6570, 6945, 7665, 8334, 9198, 9723, 13890, 15330, 16205, 19446, 20835, 22995, 29169, 32410, 33799, 41670, 45990, 48615, 58338, 67598, 97230, 101397, 145845, 168995, 202794, 236593, 291690, 304191, 337990, 473186, 506985, 608382, 709779, 1013970, 1182965, 1419558, 1520955, 2129337, 2365930, 3041910, 3548895, 4258674, 7097790, 10646685, 21293370]

約数ペア:

[(1, 21293370), (2, 10646685), (3, 7097790), (5, 4258674), (6, 3548895), (7, 3041910), (9, 2365930), (10, 2129337), (14, 1520955), (15, 1419558), (18, 1182965), (21, 1013970), (30, 709779), (35, 608382), (42, 506985), (45, 473186), (63, 337990), (70, 304191), (73, 291690), (90, 236593), (105, 202794), (126, 168995), (146, 145845), (210, 101397), (219, 97230), (315, 67598), (365, 58338), (438, 48615), (463, 45990), (511, 41670), (630, 33799), (657, 32410), (730, 29169), (926, 22995), (1022, 20835), (1095, 19446), (1314, 16205), (1389, 15330), (1533, 13890), (2190, 9723), (2315, 9198), (2555, 8334), (2778, 7665), (3066, 6945), (3241, 6570), (3285, 6482), (4167, 5110), (4599, 4630)]