21863376

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 65963040

約数和(自身を除く): 44099664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 61, 72, 76, 114, 122, 131, 144, 152, 171, 183, 228, 244, 262, 304, 342, 366, 393, 456, 488, 524, 549, 684, 732, 786, 912, 976, 1048, 1098, 1159, 1179, 1368, 1464, 1572, 2096, 2196, 2318, 2358, 2489, 2736, 2928, 3144, 3477, 4392, 4636, 4716, 4978, 6288, 6954, 7467, 7991, 8784, 9272, 9432, 9956, 10431, 13908, 14934, 15982, 18544, 18864, 19912, 20862, 22401, 23973, 27816, 29868, 31964, 39824, 41724, 44802, 47946, 55632, 59736, 63928, 71919, 83448, 89604, 95892, 119472, 127856, 143838, 151829, 166896, 179208, 191784, 287676, 303658, 358416, 383568, 455487, 575352, 607316, 910974, 1150704, 1214632, 1366461, 1821948, 2429264, 2732922, 3643896, 5465844, 7287792, 10931688, 21863376]

約数ペア:

[(1, 21863376), (2, 10931688), (3, 7287792), (4, 5465844), (6, 3643896), (8, 2732922), (9, 2429264), (12, 1821948), (16, 1366461), (18, 1214632), (19, 1150704), (24, 910974), (36, 607316), (38, 575352), (48, 455487), (57, 383568), (61, 358416), (72, 303658), (76, 287676), (114, 191784), (122, 179208), (131, 166896), (144, 151829), (152, 143838), (171, 127856), (183, 119472), (228, 95892), (244, 89604), (262, 83448), (304, 71919), (342, 63928), (366, 59736), (393, 55632), (456, 47946), (488, 44802), (524, 41724), (549, 39824), (684, 31964), (732, 29868), (786, 27816), (912, 23973), (976, 22401), (1048, 20862), (1098, 19912), (1159, 18864), (1179, 18544), (1368, 15982), (1464, 14934), (1572, 13908), (2096, 10431), (2196, 9956), (2318, 9432), (2358, 9272), (2489, 8784), (2736, 7991), (2928, 7467), (3144, 6954), (3477, 6288), (4392, 4978), (4636, 4716)]