21967890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1433}}^1$

素因数の和:1523

約数の個数: 64

約数和(自身を含む): 61122816

約数和(自身を除く): 39154926

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, 1433, 1533, 2190, 2555, 2866, 3066, 4299, 5110, 7165, 7665, 8598, 10031, 14330, 15330, 20062, 21495, 30093, 42990, 50155, 60186, 100310, 104609, 150465, 209218, 300930, 313827, 523045, 627654, 732263, 1046090, 1464526, 1569135, 2196789, 3138270, 3661315, 4393578, 7322630, 10983945, 21967890]

約数ペア:

[(1, 21967890), (2, 10983945), (3, 7322630), (5, 4393578), (6, 3661315), (7, 3138270), (10, 2196789), (14, 1569135), (15, 1464526), (21, 1046090), (30, 732263), (35, 627654), (42, 523045), (70, 313827), (73, 300930), (105, 209218), (146, 150465), (210, 104609), (219, 100310), (365, 60186), (438, 50155), (511, 42990), (730, 30093), (1022, 21495), (1095, 20062), (1433, 15330), (1533, 14330), (2190, 10031), (2555, 8598), (2866, 7665), (3066, 7165), (4299, 5110)]