21695340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19031}}^1$

素因数の和:19062

約数の個数: 48

約数和(自身を含む): 63947520

約数和(自身を除く): 42252180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 19031, 38062, 57093, 76124, 95155, 114186, 190310, 228372, 285465, 361589, 380620, 570930, 723178, 1084767, 1141860, 1446356, 1807945, 2169534, 3615890, 4339068, 5423835, 7231780, 10847670, 21695340]

約数ペア:

[(1, 21695340), (2, 10847670), (3, 7231780), (4, 5423835), (5, 4339068), (6, 3615890), (10, 2169534), (12, 1807945), (15, 1446356), (19, 1141860), (20, 1084767), (30, 723178), (38, 570930), (57, 380620), (60, 361589), (76, 285465), (95, 228372), (114, 190310), (190, 114186), (228, 95155), (285, 76124), (380, 57093), (570, 38062), (1140, 19031)]