21009795070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 42838865280

約数和(自身を除く): 21829070210

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 113, 121, 122, 226, 229, 242, 305, 458, 565, 605, 610, 671, 1130, 1145, 1210, 1243, 1331, 1342, 2290, 2486, 2519, 2662, 3355, 5038, 6215, 6655, 6710, 6893, 7381, 12430, 12595, 13310, 13673, 13786, 13969, 14762, 25190, 25877, 27346, 27709, 27938, 34465, 36905, 51754, 55418, 68365, 68930, 69845, 73810, 75823, 81191, 129385, 136730, 138545, 139690, 150403, 151646, 153659, 162382, 258770, 277090, 284647, 300806, 304799, 307318, 379115, 405955, 569294, 609598, 752015, 758230, 768295, 811910, 834053, 1423235, 1504030, 1523995, 1536590, 1578497, 1668106, 1690249, 2846470, 3047990, 3131117, 3156994, 3380498, 4170265, 6262234, 7892485, 8340530, 8451245, 9174583, 15655585, 15784970, 16902490, 17363467, 18349166, 18592739, 31311170, 34442287, 34726934, 37185478, 45872915, 68884574, 86817335, 91745830, 92963695, 172211435, 173634670, 185927390, 190998137, 344422870, 381996274, 954990685, 1909981370, 2100979507, 4201959014, 10504897535, 21009795070]

約数ペア:

[(1, 21009795070), (2, 10504897535), (5, 4201959014), (10, 2100979507), (11, 1909981370), (22, 954990685), (55, 381996274), (61, 344422870), (110, 190998137), (113, 185927390), (121, 173634670), (122, 172211435), (226, 92963695), (229, 91745830), (242, 86817335), (305, 68884574), (458, 45872915), (565, 37185478), (605, 34726934), (610, 34442287), (671, 31311170), (1130, 18592739), (1145, 18349166), (1210, 17363467), (1243, 16902490), (1331, 15784970), (1342, 15655585), (2290, 9174583), (2486, 8451245), (2519, 8340530), (2662, 7892485), (3355, 6262234), (5038, 4170265), (6215, 3380498), (6655, 3156994), (6710, 3131117), (6893, 3047990), (7381, 2846470), (12430, 1690249), (12595, 1668106), (13310, 1578497), (13673, 1536590), (13786, 1523995), (13969, 1504030), (14762, 1423235), (25190, 834053), (25877, 811910), (27346, 768295), (27709, 758230), (27938, 752015), (34465, 609598), (36905, 569294), (51754, 405955), (55418, 379115), (68365, 307318), (68930, 304799), (69845, 300806), (73810, 284647), (75823, 277090), (81191, 258770), (129385, 162382), (136730, 153659), (138545, 151646), (139690, 150403)]