21906810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:612

約数の個数: 96

約数和(自身を含む): 62674560

約数和(自身を除く): 40767750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 30, 38, 45, 46, 57, 69, 90, 95, 114, 115, 138, 171, 190, 207, 230, 285, 342, 345, 414, 437, 557, 570, 690, 855, 874, 1035, 1114, 1311, 1671, 1710, 2070, 2185, 2622, 2785, 3342, 3933, 4370, 5013, 5570, 6555, 7866, 8355, 10026, 10583, 12811, 13110, 16710, 19665, 21166, 25065, 25622, 31749, 38433, 39330, 50130, 52915, 63498, 64055, 76866, 95247, 105830, 115299, 128110, 158745, 190494, 192165, 230598, 243409, 317490, 384330, 476235, 486818, 576495, 730227, 952470, 1152990, 1217045, 1460454, 2190681, 2434090, 3651135, 4381362, 7302270, 10953405, 21906810]

約数ペア:

[(1, 21906810), (2, 10953405), (3, 7302270), (5, 4381362), (6, 3651135), (9, 2434090), (10, 2190681), (15, 1460454), (18, 1217045), (19, 1152990), (23, 952470), (30, 730227), (38, 576495), (45, 486818), (46, 476235), (57, 384330), (69, 317490), (90, 243409), (95, 230598), (114, 192165), (115, 190494), (138, 158745), (171, 128110), (190, 115299), (207, 105830), (230, 95247), (285, 76866), (342, 64055), (345, 63498), (414, 52915), (437, 50130), (557, 39330), (570, 38433), (690, 31749), (855, 25622), (874, 25065), (1035, 21166), (1114, 19665), (1311, 16710), (1671, 13110), (1710, 12811), (2070, 10583), (2185, 10026), (2622, 8355), (2785, 7866), (3342, 6555), (3933, 5570), (4370, 5013)]