21000687210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{801859}}^1$

素因数の和:801972

約数の個数: 64

約数和(自身を含む): 56579241600

約数和(自身を除く): 35578554390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 97, 135, 194, 270, 291, 485, 582, 873, 970, 1455, 1746, 2619, 2910, 4365, 5238, 8730, 13095, 26190, 801859, 1603718, 2405577, 4009295, 4811154, 7216731, 8018590, 12027885, 14433462, 21650193, 24055770, 36083655, 43300386, 72167310, 77780323, 108250965, 155560646, 216501930, 233340969, 388901615, 466681938, 700022907, 777803230, 1166704845, 1400045814, 2100068721, 2333409690, 3500114535, 4200137442, 7000229070, 10500343605, 21000687210]

約数ペア:

[(1, 21000687210), (2, 10500343605), (3, 7000229070), (5, 4200137442), (6, 3500114535), (9, 2333409690), (10, 2100068721), (15, 1400045814), (18, 1166704845), (27, 777803230), (30, 700022907), (45, 466681938), (54, 388901615), (90, 233340969), (97, 216501930), (135, 155560646), (194, 108250965), (270, 77780323), (291, 72167310), (485, 43300386), (582, 36083655), (873, 24055770), (970, 21650193), (1455, 14433462), (1746, 12027885), (2619, 8018590), (2910, 7216731), (4365, 4811154), (5238, 4009295), (8730, 2405577), (13095, 1603718), (26190, 801859)]