21019374

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 47895120

約数和(自身を除く): 26875746

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 67, 87, 134, 174, 201, 261, 402, 522, 601, 603, 1202, 1206, 1803, 1943, 3606, 3886, 5409, 5829, 10818, 11658, 17429, 17487, 34858, 34974, 40267, 52287, 80534, 104574, 120801, 156861, 241602, 313722, 362403, 724806, 1167743, 2335486, 3503229, 7006458, 10509687, 21019374]

約数ペア:

[(1, 21019374), (2, 10509687), (3, 7006458), (6, 3503229), (9, 2335486), (18, 1167743), (29, 724806), (58, 362403), (67, 313722), (87, 241602), (134, 156861), (174, 120801), (201, 104574), (261, 80534), (402, 52287), (522, 40267), (601, 34974), (603, 34858), (1202, 17487), (1206, 17429), (1803, 11658), (1943, 10818), (3606, 5829), (3886, 5409)]