21212116920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{293147}}^1$

素因数の和:293234

約数の個数: 128

約数和(自身を含む): 71762630400

約数和(自身を除く): 50550513480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 67, 72, 90, 108, 120, 134, 135, 180, 201, 216, 268, 270, 335, 360, 402, 536, 540, 603, 670, 804, 1005, 1080, 1206, 1340, 1608, 1809, 2010, 2412, 2680, 3015, 3618, 4020, 4824, 6030, 7236, 8040, 9045, 12060, 14472, 18090, 24120, 36180, 72360, 293147, 586294, 879441, 1172588, 1465735, 1758882, 2345176, 2638323, 2931470, 3517764, 4397205, 5276646, 5862940, 7035528, 7914969, 8794410, 10553292, 11725880, 13191615, 15829938, 17588820, 19640849, 21106584, 26383230, 31659876, 35177640, 39281698, 39574845, 52766460, 58922547, 63319752, 78563396, 79149690, 98204245, 105532920, 117845094, 157126792, 158299380, 176767641, 196408490, 235690188, 294612735, 316598760, 353535282, 392816980, 471380376, 530302923, 589225470, 707070564, 785633960, 883838205, 1060605846, 1178450940, 1414141128, 1767676410, 2121211692, 2356901880, 2651514615, 3535352820, 4242423384, 5303029230, 7070705640, 10606058460, 21212116920]

約数ペア:

[(1, 21212116920), (2, 10606058460), (3, 7070705640), (4, 5303029230), (5, 4242423384), (6, 3535352820), (8, 2651514615), (9, 2356901880), (10, 2121211692), (12, 1767676410), (15, 1414141128), (18, 1178450940), (20, 1060605846), (24, 883838205), (27, 785633960), (30, 707070564), (36, 589225470), (40, 530302923), (45, 471380376), (54, 392816980), (60, 353535282), (67, 316598760), (72, 294612735), (90, 235690188), (108, 196408490), (120, 176767641), (134, 158299380), (135, 157126792), (180, 117845094), (201, 105532920), (216, 98204245), (268, 79149690), (270, 78563396), (335, 63319752), (360, 58922547), (402, 52766460), (536, 39574845), (540, 39281698), (603, 35177640), (670, 31659876), (804, 26383230), (1005, 21106584), (1080, 19640849), (1206, 17588820), (1340, 15829938), (1608, 13191615), (1809, 11725880), (2010, 10553292), (2412, 8794410), (2680, 7914969), (3015, 7035528), (3618, 5862940), (4020, 5276646), (4824, 4397205), (6030, 3517764), (7236, 2931470), (8040, 2638323), (9045, 2345176), (12060, 1758882), (14472, 1465735), (18090, 1172588), (24120, 879441), (36180, 586294), (72360, 293147)]