21441150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 62674560

約数和(自身を除く): 41233410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 31, 45, 50, 53, 58, 62, 75, 87, 90, 93, 106, 145, 150, 155, 159, 174, 186, 225, 261, 265, 279, 290, 310, 318, 435, 450, 465, 477, 522, 530, 558, 725, 775, 795, 870, 899, 930, 954, 1305, 1325, 1395, 1450, 1537, 1550, 1590, 1643, 1798, 2175, 2325, 2385, 2610, 2650, 2697, 2790, 3074, 3286, 3975, 4350, 4495, 4611, 4650, 4770, 4929, 5394, 6525, 6975, 7685, 7950, 8091, 8215, 8990, 9222, 9858, 11925, 13050, 13485, 13833, 13950, 14787, 15370, 16182, 16430, 22475, 23055, 23850, 24645, 26970, 27666, 29574, 38425, 40455, 41075, 44950, 46110, 47647, 49290, 67425, 69165, 73935, 76850, 80910, 82150, 95294, 115275, 123225, 134850, 138330, 142941, 147870, 202275, 230550, 238235, 246450, 285882, 345825, 369675, 404550, 428823, 476470, 691650, 714705, 739350, 857646, 1191175, 1429410, 2144115, 2382350, 3573525, 4288230, 7147050, 10720575, 21441150]

約数ペア:

[(1, 21441150), (2, 10720575), (3, 7147050), (5, 4288230), (6, 3573525), (9, 2382350), (10, 2144115), (15, 1429410), (18, 1191175), (25, 857646), (29, 739350), (30, 714705), (31, 691650), (45, 476470), (50, 428823), (53, 404550), (58, 369675), (62, 345825), (75, 285882), (87, 246450), (90, 238235), (93, 230550), (106, 202275), (145, 147870), (150, 142941), (155, 138330), (159, 134850), (174, 123225), (186, 115275), (225, 95294), (261, 82150), (265, 80910), (279, 76850), (290, 73935), (310, 69165), (318, 67425), (435, 49290), (450, 47647), (465, 46110), (477, 44950), (522, 41075), (530, 40455), (558, 38425), (725, 29574), (775, 27666), (795, 26970), (870, 24645), (899, 23850), (930, 23055), (954, 22475), (1305, 16430), (1325, 16182), (1395, 15370), (1450, 14787), (1537, 13950), (1550, 13833), (1590, 13485), (1643, 13050), (1798, 11925), (2175, 9858), (2325, 9222), (2385, 8990), (2610, 8215), (2650, 8091), (2697, 7950), (2790, 7685), (3074, 6975), (3286, 6525), (3975, 5394), (4350, 4929), (4495, 4770), (4611, 4650)]