21628770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 32367774

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 61, 106, 122, 159, 183, 223, 265, 305, 318, 366, 446, 530, 610, 669, 795, 915, 1115, 1338, 1590, 1830, 2230, 3233, 3345, 6466, 6690, 9699, 11819, 13603, 16165, 19398, 23638, 27206, 32330, 35457, 40809, 48495, 59095, 68015, 70914, 81618, 96990, 118190, 136030, 177285, 204045, 354570, 408090, 720959, 1441918, 2162877, 3604795, 4325754, 7209590, 10814385, 21628770]

約数ペア:

[(1, 21628770), (2, 10814385), (3, 7209590), (5, 4325754), (6, 3604795), (10, 2162877), (15, 1441918), (30, 720959), (53, 408090), (61, 354570), (106, 204045), (122, 177285), (159, 136030), (183, 118190), (223, 96990), (265, 81618), (305, 70914), (318, 68015), (366, 59095), (446, 48495), (530, 40809), (610, 35457), (669, 32330), (795, 27206), (915, 23638), (1115, 19398), (1338, 16165), (1590, 13603), (1830, 11819), (2230, 9699), (3233, 6690), (3345, 6466)]