21167444870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{643583}}^1$

素因数の和:643637

約数の個数: 64

約数和(自身を含む): 46708752384

約数和(自身を除く): 25541307514

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 130, 143, 230, 253, 286, 299, 506, 598, 715, 1265, 1430, 1495, 2530, 2990, 3289, 6578, 16445, 32890, 643583, 1287166, 3217915, 6435830, 7079413, 8366579, 14158826, 14802409, 16733158, 29604818, 35397065, 41832895, 70794130, 74012045, 83665790, 92032369, 148024090, 162826499, 184064738, 192431317, 325652998, 384862634, 460161845, 814132495, 920323690, 962156585, 1628264990, 1924313170, 2116744487, 4233488974, 10583722435, 21167444870]

約数ペア:

[(1, 21167444870), (2, 10583722435), (5, 4233488974), (10, 2116744487), (11, 1924313170), (13, 1628264990), (22, 962156585), (23, 920323690), (26, 814132495), (46, 460161845), (55, 384862634), (65, 325652998), (110, 192431317), (115, 184064738), (130, 162826499), (143, 148024090), (230, 92032369), (253, 83665790), (286, 74012045), (299, 70794130), (506, 41832895), (598, 35397065), (715, 29604818), (1265, 16733158), (1430, 14802409), (1495, 14158826), (2530, 8366579), (2990, 7079413), (3289, 6435830), (6578, 3217915), (16445, 1287166), (32890, 643583)]