21858390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1109}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 59140800

約数和(自身を除く): 37282410

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, 1109, 1314, 1971, 2190, 2218, 3285, 3327, 3942, 5545, 6570, 6654, 9855, 9981, 11090, 16635, 19710, 19962, 29943, 33270, 49905, 59886, 80957, 99810, 149715, 161914, 242871, 299430, 404785, 485742, 728613, 809570, 1214355, 1457226, 2185839, 2428710, 3643065, 4371678, 7286130, 10929195, 21858390]

約数ペア:

[(1, 21858390), (2, 10929195), (3, 7286130), (5, 4371678), (6, 3643065), (9, 2428710), (10, 2185839), (15, 1457226), (18, 1214355), (27, 809570), (30, 728613), (45, 485742), (54, 404785), (73, 299430), (90, 242871), (135, 161914), (146, 149715), (219, 99810), (270, 80957), (365, 59886), (438, 49905), (657, 33270), (730, 29943), (1095, 19962), (1109, 19710), (1314, 16635), (1971, 11090), (2190, 9981), (2218, 9855), (3285, 6654), (3327, 6570), (3942, 5545)]