21596770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 45287424

約数和(自身を除く): 23690654

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 62, 65, 115, 130, 155, 230, 233, 299, 310, 403, 466, 598, 713, 806, 1165, 1426, 1495, 2015, 2330, 2990, 3029, 3565, 4030, 5359, 6058, 7130, 7223, 9269, 10718, 14446, 15145, 18538, 26795, 30290, 36115, 46345, 53590, 69667, 72230, 92690, 93899, 139334, 166129, 187798, 332258, 348335, 469495, 696670, 830645, 938990, 1661290, 2159677, 4319354, 10798385, 21596770]

約数ペア:

[(1, 21596770), (2, 10798385), (5, 4319354), (10, 2159677), (13, 1661290), (23, 938990), (26, 830645), (31, 696670), (46, 469495), (62, 348335), (65, 332258), (115, 187798), (130, 166129), (155, 139334), (230, 93899), (233, 92690), (299, 72230), (310, 69667), (403, 53590), (466, 46345), (598, 36115), (713, 30290), (806, 26795), (1165, 18538), (1426, 15145), (1495, 14446), (2015, 10718), (2330, 9269), (2990, 7223), (3029, 7130), (3565, 6058), (4030, 5359)]