21621870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1097}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 58501440

約数和(自身を除く): 36879570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1095, 1097, 1314, 1971, 2190, 2194, 3285, 3291, 3942, 5485, 6570, 6582, 9855, 9873, 10970, 16455, 19710, 19746, 29619, 32910, 49365, 59238, 80081, 98730, 148095, 160162, 240243, 296190, 400405, 480486, 720729, 800810, 1201215, 1441458, 2162187, 2402430, 3603645, 4324374, 7207290, 10810935, 21621870]

約数ペア:

[(1, 21621870), (2, 10810935), (3, 7207290), (5, 4324374), (6, 3603645), (9, 2402430), (10, 2162187), (15, 1441458), (18, 1201215), (27, 800810), (30, 720729), (45, 480486), (54, 400405), (73, 296190), (90, 240243), (135, 160162), (146, 148095), (219, 98730), (270, 80081), (365, 59238), (438, 49365), (657, 32910), (730, 29619), (1095, 19746), (1097, 19710), (1314, 16455), (1971, 10970), (2190, 9873), (2194, 9855), (3285, 6582), (3291, 6570), (3942, 5485)]