21916728

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 64318800

約数和(自身を除く): 42402072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 37, 38, 57, 72, 74, 76, 111, 114, 148, 152, 171, 222, 228, 296, 333, 342, 433, 444, 456, 666, 684, 703, 866, 888, 1299, 1332, 1368, 1406, 1732, 2109, 2598, 2664, 2812, 3464, 3897, 4218, 5196, 5624, 6327, 7794, 8227, 8436, 10392, 12654, 15588, 16021, 16454, 16872, 24681, 25308, 31176, 32042, 32908, 48063, 49362, 50616, 64084, 65816, 74043, 96126, 98724, 128168, 144189, 148086, 192252, 197448, 288378, 296172, 304399, 384504, 576756, 592344, 608798, 913197, 1153512, 1217596, 1826394, 2435192, 2739591, 3652788, 5479182, 7305576, 10958364, 21916728]

約数ペア:

[(1, 21916728), (2, 10958364), (3, 7305576), (4, 5479182), (6, 3652788), (8, 2739591), (9, 2435192), (12, 1826394), (18, 1217596), (19, 1153512), (24, 913197), (36, 608798), (37, 592344), (38, 576756), (57, 384504), (72, 304399), (74, 296172), (76, 288378), (111, 197448), (114, 192252), (148, 148086), (152, 144189), (171, 128168), (222, 98724), (228, 96126), (296, 74043), (333, 65816), (342, 64084), (433, 50616), (444, 49362), (456, 48063), (666, 32908), (684, 32042), (703, 31176), (866, 25308), (888, 24681), (1299, 16872), (1332, 16454), (1368, 16021), (1406, 15588), (1732, 12654), (2109, 10392), (2598, 8436), (2664, 8227), (2812, 7794), (3464, 6327), (3897, 5624), (4218, 5196)]