21446670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1399}}^1$

素因数の和:1489

約数の個数: 64

約数和(自身を含む): 59673600

約数和(自身を除く): 38226930

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 73, 105, 146, 210, 219, 365, 438, 511, 730, 1022, 1095, 1399, 1533, 2190, 2555, 2798, 3066, 4197, 5110, 6995, 7665, 8394, 9793, 13990, 15330, 19586, 20985, 29379, 41970, 48965, 58758, 97930, 102127, 146895, 204254, 293790, 306381, 510635, 612762, 714889, 1021270, 1429778, 1531905, 2144667, 3063810, 3574445, 4289334, 7148890, 10723335, 21446670]

約数ペア:

[(1, 21446670), (2, 10723335), (3, 7148890), (5, 4289334), (6, 3574445), (7, 3063810), (10, 2144667), (14, 1531905), (15, 1429778), (21, 1021270), (30, 714889), (35, 612762), (42, 510635), (70, 306381), (73, 293790), (105, 204254), (146, 146895), (210, 102127), (219, 97930), (365, 58758), (438, 48965), (511, 41970), (730, 29379), (1022, 20985), (1095, 19586), (1399, 15330), (1533, 13990), (2190, 9793), (2555, 8394), (2798, 7665), (3066, 6995), (4197, 5110)]