21690225648

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1655237}}^1$

素因数の和:1655271

約数の個数: 120

約数和(自身を含む): 74710822368

約数和(自身を除く): 53020596720

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1872, 2184, 3276, 4368, 6552, 13104, 1655237, 3310474, 4965711, 6620948, 9931422, 11586659, 13241896, 14897133, 19862844, 21518081, 23173318, 26483792, 29794266, 34759977, 39725688, 43036162, 46346636, 59588532, 64554243, 69519954, 79451376, 86072324, 92693272, 104279931, 119177064, 129108486, 139039908, 150626567, 172144648, 185386544, 193662729, 208559862, 238354128, 258216972, 278079816, 301253134, 344289296, 387325458, 417119724, 451879701, 516433944, 556159632, 602506268, 774650916, 834239448, 903759402, 1032867888, 1205012536, 1355639103, 1549301832, 1668478896, 1807518804, 2410025072, 2711278206, 3098603664, 3615037608, 5422556412, 7230075216, 10845112824, 21690225648]

約数ペア:

[(1, 21690225648), (2, 10845112824), (3, 7230075216), (4, 5422556412), (6, 3615037608), (7, 3098603664), (8, 2711278206), (9, 2410025072), (12, 1807518804), (13, 1668478896), (14, 1549301832), (16, 1355639103), (18, 1205012536), (21, 1032867888), (24, 903759402), (26, 834239448), (28, 774650916), (36, 602506268), (39, 556159632), (42, 516433944), (48, 451879701), (52, 417119724), (56, 387325458), (63, 344289296), (72, 301253134), (78, 278079816), (84, 258216972), (91, 238354128), (104, 208559862), (112, 193662729), (117, 185386544), (126, 172144648), (144, 150626567), (156, 139039908), (168, 129108486), (182, 119177064), (208, 104279931), (234, 92693272), (252, 86072324), (273, 79451376), (312, 69519954), (336, 64554243), (364, 59588532), (468, 46346636), (504, 43036162), (546, 39725688), (624, 34759977), (728, 29794266), (819, 26483792), (936, 23173318), (1008, 21518081), (1092, 19862844), (1456, 14897133), (1638, 13241896), (1872, 11586659), (2184, 9931422), (3276, 6620948), (4368, 4965711), (6552, 3310474), (13104, 1655237)]