21882900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 70773248

約数和(自身を除く): 48890348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 31, 39, 50, 52, 60, 62, 65, 75, 78, 93, 100, 124, 130, 150, 155, 156, 181, 186, 195, 260, 300, 310, 325, 362, 372, 390, 403, 465, 543, 620, 650, 724, 775, 780, 806, 905, 930, 975, 1086, 1209, 1300, 1550, 1612, 1810, 1860, 1950, 2015, 2172, 2325, 2353, 2418, 2715, 3100, 3620, 3900, 4030, 4525, 4650, 4706, 4836, 5430, 5611, 6045, 7059, 8060, 9050, 9300, 9412, 10075, 10860, 11222, 11765, 12090, 13575, 14118, 16833, 18100, 20150, 22444, 23530, 24180, 27150, 28055, 28236, 30225, 33666, 35295, 40300, 47060, 54300, 56110, 58825, 60450, 67332, 70590, 72943, 84165, 112220, 117650, 120900, 140275, 141180, 145886, 168330, 176475, 218829, 235300, 280550, 291772, 336660, 352950, 364715, 420825, 437658, 561100, 705900, 729430, 841650, 875316, 1094145, 1458860, 1683300, 1823575, 2188290, 3647150, 4376580, 5470725, 7294300, 10941450, 21882900]

約数ペア:

[(1, 21882900), (2, 10941450), (3, 7294300), (4, 5470725), (5, 4376580), (6, 3647150), (10, 2188290), (12, 1823575), (13, 1683300), (15, 1458860), (20, 1094145), (25, 875316), (26, 841650), (30, 729430), (31, 705900), (39, 561100), (50, 437658), (52, 420825), (60, 364715), (62, 352950), (65, 336660), (75, 291772), (78, 280550), (93, 235300), (100, 218829), (124, 176475), (130, 168330), (150, 145886), (155, 141180), (156, 140275), (181, 120900), (186, 117650), (195, 112220), (260, 84165), (300, 72943), (310, 70590), (325, 67332), (362, 60450), (372, 58825), (390, 56110), (403, 54300), (465, 47060), (543, 40300), (620, 35295), (650, 33666), (724, 30225), (775, 28236), (780, 28055), (806, 27150), (905, 24180), (930, 23530), (975, 22444), (1086, 20150), (1209, 18100), (1300, 16833), (1550, 14118), (1612, 13575), (1810, 12090), (1860, 11765), (1950, 11222), (2015, 10860), (2172, 10075), (2325, 9412), (2353, 9300), (2418, 9050), (2715, 8060), (3100, 7059), (3620, 6045), (3900, 5611), (4030, 5430), (4525, 4836), (4650, 4706)]