21248370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 144

約数和(自身を含む): 65774592

約数和(自身を除く): 44526222

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 127, 130, 143, 165, 169, 195, 198, 234, 254, 286, 330, 338, 381, 390, 429, 495, 507, 585, 635, 715, 762, 845, 858, 990, 1014, 1143, 1170, 1270, 1287, 1397, 1430, 1521, 1651, 1690, 1859, 1905, 2145, 2286, 2535, 2574, 2794, 3042, 3302, 3718, 3810, 4191, 4290, 4953, 5070, 5577, 5715, 6435, 6985, 7605, 8255, 8382, 9295, 9906, 11154, 11430, 12573, 12870, 13970, 14859, 15210, 16510, 16731, 18161, 18590, 20955, 21463, 24765, 25146, 27885, 29718, 33462, 36322, 41910, 42926, 49530, 54483, 55770, 62865, 64389, 74295, 83655, 90805, 107315, 108966, 125730, 128778, 148590, 163449, 167310, 181610, 193167, 214630, 236093, 272415, 321945, 326898, 386334, 472186, 544830, 643890, 708279, 817245, 965835, 1180465, 1416558, 1634490, 1931670, 2124837, 2360930, 3541395, 4249674, 7082790, 10624185, 21248370]

約数ペア:

[(1, 21248370), (2, 10624185), (3, 7082790), (5, 4249674), (6, 3541395), (9, 2360930), (10, 2124837), (11, 1931670), (13, 1634490), (15, 1416558), (18, 1180465), (22, 965835), (26, 817245), (30, 708279), (33, 643890), (39, 544830), (45, 472186), (55, 386334), (65, 326898), (66, 321945), (78, 272415), (90, 236093), (99, 214630), (110, 193167), (117, 181610), (127, 167310), (130, 163449), (143, 148590), (165, 128778), (169, 125730), (195, 108966), (198, 107315), (234, 90805), (254, 83655), (286, 74295), (330, 64389), (338, 62865), (381, 55770), (390, 54483), (429, 49530), (495, 42926), (507, 41910), (585, 36322), (635, 33462), (715, 29718), (762, 27885), (845, 25146), (858, 24765), (990, 21463), (1014, 20955), (1143, 18590), (1170, 18161), (1270, 16731), (1287, 16510), (1397, 15210), (1430, 14859), (1521, 13970), (1651, 12870), (1690, 12573), (1859, 11430), (1905, 11154), (2145, 9906), (2286, 9295), (2535, 8382), (2574, 8255), (2794, 7605), (3042, 6985), (3302, 6435), (3718, 5715), (3810, 5577), (4191, 5070), (4290, 4953)]