21872130

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14879}}^1$

素因数の和:14903

約数の個数: 48

約数和(自身を含む): 61067520

約数和(自身を除く): 39195390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14879, 29758, 44637, 74395, 89274, 104153, 148790, 208306, 223185, 312459, 446370, 520765, 624918, 729071, 1041530, 1458142, 1562295, 2187213, 3124590, 3645355, 4374426, 7290710, 10936065, 21872130]

約数ペア:

[(1, 21872130), (2, 10936065), (3, 7290710), (5, 4374426), (6, 3645355), (7, 3124590), (10, 2187213), (14, 1562295), (15, 1458142), (21, 1041530), (30, 729071), (35, 624918), (42, 520765), (49, 446370), (70, 312459), (98, 223185), (105, 208306), (147, 148790), (210, 104153), (245, 89274), (294, 74395), (490, 44637), (735, 29758), (1470, 14879)]