21000570654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{373}}^1\times {\mathrm{11863}}^1$

素因数の和:12361

約数の個数: 64

約数和(自身を含む): 48560016384

約数和(自身を除く): 27559445730

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 113, 226, 339, 373, 678, 746, 791, 1119, 1582, 2238, 2373, 2611, 4746, 5222, 7833, 11863, 15666, 23726, 35589, 42149, 71178, 83041, 84298, 126447, 166082, 249123, 252894, 295043, 498246, 590086, 885129, 1340519, 1770258, 2681038, 4021557, 4424899, 8043114, 8849798, 9383633, 13274697, 18767266, 26549394, 28150899, 30974293, 56301798, 61948586, 92922879, 185845758, 500013587, 1000027174, 1500040761, 3000081522, 3500095109, 7000190218, 10500285327, 21000570654]

約数ペア:

[(1, 21000570654), (2, 10500285327), (3, 7000190218), (6, 3500095109), (7, 3000081522), (14, 1500040761), (21, 1000027174), (42, 500013587), (113, 185845758), (226, 92922879), (339, 61948586), (373, 56301798), (678, 30974293), (746, 28150899), (791, 26549394), (1119, 18767266), (1582, 13274697), (2238, 9383633), (2373, 8849798), (2611, 8043114), (4746, 4424899), (5222, 4021557), (7833, 2681038), (11863, 1770258), (15666, 1340519), (23726, 885129), (35589, 590086), (42149, 498246), (71178, 295043), (83041, 252894), (84298, 249123), (126447, 166082)]