21410718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 52420608

約数和(自身を除く): 31009890

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 157, 191, 238, 314, 357, 382, 471, 573, 714, 942, 1099, 1146, 1337, 2198, 2669, 2674, 3247, 3297, 4011, 5338, 6494, 6594, 8007, 8022, 9741, 16014, 18683, 19482, 22729, 29987, 37366, 45458, 56049, 59974, 68187, 89961, 112098, 136374, 179922, 209909, 419818, 509779, 629727, 1019558, 1259454, 1529337, 3058674, 3568453, 7136906, 10705359, 21410718]

約数ペア:

[(1, 21410718), (2, 10705359), (3, 7136906), (6, 3568453), (7, 3058674), (14, 1529337), (17, 1259454), (21, 1019558), (34, 629727), (42, 509779), (51, 419818), (102, 209909), (119, 179922), (157, 136374), (191, 112098), (238, 89961), (314, 68187), (357, 59974), (382, 56049), (471, 45458), (573, 37366), (714, 29987), (942, 22729), (1099, 19482), (1146, 18683), (1337, 16014), (2198, 9741), (2669, 8022), (2674, 8007), (3247, 6594), (3297, 6494), (4011, 5338)]